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Replacement and OEM Parts for 1999 Ford Explorer Oxygen Sensor

1999 Ford Explorer Oxygen Sensor

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1999 Ford Explorer
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Oxygen Sensors
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  • OEM 1999 Ford Explorer Lower Oxygen Sensor Diagram - GU2Z-9G444-A
    View Related Parts

    OEM (Genuine) 1999 Ford Explorer Lower Oxygen Sensor

    PartNumber: GU2Z-9G444-A
    OEM 1999 Ford Explorer Lower Oxygen Sensor - GU2Z-9G444-A
    Product Specifications
    • Notes: Explorer, Mountaineer; 4.0L; Sohc;Explorer, Mountaineer; 5.0L
    • Item Dimensions: 0.2 x 7.9 x 9.5 inches
    • Item Weight: 0.60 Pounds
    • Replaces: DY-649, DY-1034, F6DZ-9G444-AA, DY-1040, DY-1058, DY-1060, F1SZ-9F472-B, F1TZ-9F472-A, DY-1038, F4DZ-9F472-B, 5C5Z-9F472-AA, F1SZ-9F472-A, F85Z-9G444-E, DY-1093, DY-1053, DY-1089, DY-1081, 1R3Z-9G444-AA, 1R3Z-9G444-BA, 6E5Z-9G444-AA, 5W6Z-9G444-BA, 5W6Z-9G444-AA, 5F9Z-9G444-BA, XR3Z-9G444-HA, F78Z-9F472-BA, XR3Z-9G444-EA, 6L7Z-9F472-BA, 5C5Z-9F472-BA, XC2Z-9F472-AA, F3UZ-9F472-A, F77Z-9F472-BA, F7RZ-9G444-BA, DY-1063, DY-1005, F6DZ-9G444-B, F75Z-9G444-BA, F5UZ-9F472-A, F4UZ-9F472-A, DY-761, DY-800, F88Z-9F472-BA, F85Z-9G444-AB, DY-831, DY-1091, F4SZ-9F472-D, F4DZ-9F472-A, F78Z-9F472-AA, F5WZ-9F472-BA, DY-1086, DY-703, F4ZZ-9F472-C, F4SZ-9F472-A, F6DZ-9G444-EA, F5MZ-9F472-AA, F8RZ-9G444-BB, XR3Z-9G444-BB, DY-1087, XC2Z-9F472-BA, DY-832, DY-1039, DY-1057, DY-1104, DY-661, DY-731, F75Z-9G444-AA, XR3Z-9G444-JA, F88Z-9F472-AA, F85Z-9G444-AA, F88Z-9F472-AB, F5AZ-9G444-B, FOTZ-9F472-A
    • Part Description: 1999 Ford Explorer Lower Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | Eddie Bauer, Limited, NBX, Postal, Sport, XL, XL Fleet, XLS, XLS Sport, XLT, XLT Sport | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.0 L GAS
    $53.56 MSRP: $88.55
    You Save: $34.99 (40%)
  • Denso Universal Fit Oxygen Sensor for 1999 Ford Explorer - 234-4212

    Denso® Universal Fit Oxygen Sensor for 1999 Ford Explorer

    PartNumber: 234-4212
    Product Specifications
    • Notes: OE Quality Universal Replacement Sensor
    • Installation Type: Screw
    • O2 Sensor Configuration: Universal
    • OE Part Number: 5C5Z9F472AA, 88Z9F472AB
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511142121
    • Wire Harness Length: 11.77" (299 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 1999 Ford Explorer Universal Fit Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    • 1999 Ford Explorer | All Trims | 8 Cyl 5.0L
    $38.90
  • Delphi Oxygen Sensor for 1999 Ford Explorer - ES20151

    Delphi® Oxygen Sensor for 1999 Ford Explorer

    PartNumber: ES20151
    Product Specifications
    • Notes: 15in Length
    • Connector Shape: Round
    • Position: Front
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604144787
    • Wire Harness Length: 15.6" (390 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 1999 Ford Explorer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | XL | 6 Cyl 4.0L
    • 1999 Ford Explorer | XLS | 8 Cyl 5.0L
    • 1999 Ford Explorer | Sport | 6 Cyl 4.0L
    • 1999 Ford Explorer | Eddie Bauer | 6 Cyl 4.0L
    • 1999 Ford Explorer | Limited | 6 Cyl 4.0L
    • 1999 Ford Explorer | XLS | 6 Cyl 4.0L
    • 1999 Ford Explorer | XLT | 6 Cyl 4.0L
    • 1999 Ford Explorer | Eddie Bauer | 8 Cyl 5.0L
    • 1999 Ford Explorer | Limited | 8 Cyl 5.0L
    • 1999 Ford Explorer | XLT | 8 Cyl 5.0L
    Show More
    $44.36
  • OEM 1999 Ford Explorer Rear Oxygen Sensor Diagram - F8TZ-9G444-CA
    View Related Parts

    OEM (Genuine) 1999 Ford Explorer Rear Oxygen Sensor

    PartNumber: F8TZ-9G444-CA
    OEM 1999 Ford Explorer Rear Oxygen Sensor - F8TZ-9G444-CA
    Product Specifications
    • Notes: Explorer, Mountaineer; 4.0L; Ohv; Auto Trans
    • Other Names: Oxygen Sensor, Rear Oxygen Sensor
    • Item Dimensions: 8.4 x 8.0 x 7.8 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: F7TZ-9G444-CA
    • Part Description: 1999 Ford Explorer Rear Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | Eddie Bauer, Limited, Postal, Sport, XL, XL Fleet, XLS, XLT | 6 Cyl 4.0 L GAS
    $126.49 MSRP: $209.09
    You Save: $82.60 (40%)
  • Spectra Premium Oxygen Sensor for 1999 Ford Explorer - OS5041

    Spectra Premium® Oxygen Sensor for 1999 Ford Explorer

    PartNumber: OS5041
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Round
    • Installation Type: Screw
    • Overall Length: 19.31"
    • Position: Upstream Passenger Side
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607157864
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 1999 Ford Explorer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    • 1999 Ford Explorer | All Trims | 8 Cyl 5.0L
    $23.34
  • Denso Oxygen Sensor for 1999 Ford Explorer - 234-4403

    Denso® Oxygen Sensor for 1999 Ford Explorer

    PartNumber: 234-4403
    Product Specifications
    • Notes: OE Quality Replacement Sensor
    • Connector Gender: Male
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511112582
    • Wire Harness Length: 15.35" (389.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 1999 Ford Explorer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 8 Cyl 5.0L
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    $34.54
  • Walker Products Premium Oxygen Sensor for 1999 Ford Explorer - 250-241127

    Walker Products® Premium Oxygen Sensor for 1999 Ford Explorer

    PartNumber: 250-241127
    Product Specifications
    • Connector Gender: Male
    • OE Part Number: ZZR118861
    • Overall Length: 16.85"(427.99 mm)
    • Position: Upstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620076886
    • Wire Gauge Measurement: 22 Gauge
    • Wire Harness Length: 13.31"(338.074 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 1999 Ford Explorer Premium Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    • 1999 Ford Explorer | All Trims | 8 Cyl 5.0L
    $45.09
  • Delphi Oxygen Sensor for 1999 Ford Explorer - ES20328

    Delphi® Oxygen Sensor for 1999 Ford Explorer

    PartNumber: ES20328
    Product Specifications
    • Notes: 22in Length
    • Connector Shape: Round
    • Position: Front
    • Terminal Quantity: 4
    • Thread: 18 x 1.5 mm
    • UPC: 689604188392
    • Wire Harness Length: 11.2" (280 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 1999 Ford Explorer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | XL | 6 Cyl 4.0L
    • 1999 Ford Explorer | XLS | 8 Cyl 5.0L
    • 1999 Ford Explorer | Sport | 6 Cyl 4.0L
    • 1999 Ford Explorer | XLS | 6 Cyl 4.0L
    • 1999 Ford Explorer | XLT | 6 Cyl 4.0L
    • 1999 Ford Explorer | Eddie Bauer | 8 Cyl 5.0L
    • 1999 Ford Explorer | Limited | 8 Cyl 5.0L
    • 1999 Ford Explorer | XLT | 8 Cyl 5.0L
    Show More
    $43.36
  • Spectra Premium Oxygen Sensor for 1999 Ford Explorer - OS5039

    Spectra Premium® Oxygen Sensor for 1999 Ford Explorer

    PartNumber: OS5039
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Round
    • Installation Type: Screw
    • Overall Length: 22 13/16"
    • Position: Downstream
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607156072
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 1999 Ford Explorer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    $22.53
  • Denso Oxygen Sensor for 1999 Ford Explorer - 234-4401

    Denso® Oxygen Sensor for 1999 Ford Explorer

    PartNumber: 234-4401
    Product Specifications
    • Notes: OE Quality Replacement Sensor
    • Connector Gender: Male
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • OE Part Number: XL3Z9F472AA
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511112575
    • Wire Harness Length: 11.02" (279.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 1999 Ford Explorer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    • 1999 Ford Explorer | All Trims | 8 Cyl 5.0L
    $33.52
  • Walker Products Premium Oxygen Sensor for 1999 Ford Explorer - 250-24070

    Walker Products® Premium Oxygen Sensor for 1999 Ford Explorer

    PartNumber: 250-24070
    Product Specifications
    • Connector Gender: Male
    • OE Part Number: ZZR118861
    • Overall Length: 31.22"(792.988 mm)
    • Position: Downstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620018213
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 27.68"(703.072 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 1999 Ford Explorer Premium Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    $35.26
  • Delphi Oxygen Sensor for 1999 Ford Explorer - ES20039

    Delphi® Oxygen Sensor for 1999 Ford Explorer

    PartNumber: ES20039
    Product Specifications
    • Notes: 13in Length
    • Connector Shape: Round
    • OE Part Number: AJ0618861D, F07Z9F472D, F09Z9F472D, F0SF9F472CA, F47F9G444CB, F47F9G444GB, F4ZF9F472CB, F4ZF9F472DB, F4ZF9G444CA, F4ZF9G444DA, F4ZF9G444DB, F4ZZ9G444BB, F4ZZ9G444D, F57F9F472AA, F57F9G444CA, F57Z9G444CA, F5AZ9G444CB, F5MF9F472DB, F5MF9F472DC, F5MZ9F472DB,
    • Position: Rear
    • Sensor Type: Heated
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • Thread: 18 x 1.5 mm
    • UPC: 689604145685
    • Wire Harness Length: 30.6" (765 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 1999 Ford Explorer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | XL | 6 Cyl 4.0L
    • 1999 Ford Explorer | Sport | 6 Cyl 4.0L
    • 1999 Ford Explorer | XLT | 6 Cyl 4.0L
    Show More
    $37.43
  • Spectra Premium Oxygen Sensor for 1999 Ford Explorer - OS5037

    Spectra Premium® Oxygen Sensor for 1999 Ford Explorer

    PartNumber: OS5037
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Round
    • Installation Type: Screw
    • Overall Length: 17 7/8"
    • Position: Downstream Passenger Side
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607155815
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 1999 Ford Explorer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    • 1999 Ford Explorer | All Trims | 8 Cyl 5.0L
    $21.82
  • Denso Oxygen Sensor for 1999 Ford Explorer - 234-4070

    Denso® Oxygen Sensor for 1999 Ford Explorer

    PartNumber: 234-4070
    Product Specifications
    • Notes: OE Quality Replacement Sensor
    • Connector Gender: Male
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • OE Part Number: F4UZ-9F472-C, F4UZ9F472C, FOUZ9F472C & F4UZ9F472C, FOUZ9F472C
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511140707
    • Wire Harness Length: 23.82" (605 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 1999 Ford Explorer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    $29.40
  • Walker Products Premium Oxygen Sensor for 1999 Ford Explorer - 250-24127

    Walker Products® Premium Oxygen Sensor for 1999 Ford Explorer

    PartNumber: 250-24127
    Product Specifications
    • Connector Gender: Male
    • OE Part Number: ZZR118861
    • Overall Length: 20.79"(528.066 mm)
    • Position: Downstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620040115
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 17.24"(437.896 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 1999 Ford Explorer Premium Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    $32.43
  • Delphi Oxygen Sensor for 1999 Ford Explorer - ES20064

    Delphi® Oxygen Sensor for 1999 Ford Explorer

    PartNumber: ES20064
    Product Specifications
    • Notes: 19in Length
    • Connector Shape: Round
    • OE Part Number: F1UZ9F472C, OE No F09Z9F472C, OE No F0TZ9F472C, F0TZ9F472C, F0UZ9F472C, F3UZ9F472C, OE No F1UZ9F472C
    • Position: Front
    • Sensor Type: Heated
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • Thread: 18 x 1.5 mm
    • UPC: 689604145807
    • Wire Harness Length: 20" (500 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 1999 Ford Explorer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | XL | 6 Cyl 4.0L
    • 1999 Ford Explorer | Sport | 6 Cyl 4.0L
    • 1999 Ford Explorer | XLT | 6 Cyl 4.0L
    • 1999 Ford Explorer | XLS | 6 Cyl 4.0L
    Show More
    $36.67
  • Denso Oxygen Sensor for 1999 Ford Explorer - 234-4071

    Denso® Oxygen Sensor for 1999 Ford Explorer

    PartNumber: 234-4071
    Product Specifications
    • Notes: OE Quality Replacement Sensor
    • Connector Gender: Male
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • OE Part Number: 88Z9F472AB
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511140714
    • Wire Harness Length: 10.83" (275.1 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 1999 Ford Explorer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 8 Cyl 5.0L
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    $27.32
  • Walker Products Premium Oxygen Sensor for 1999 Ford Explorer - 250-24701

    Walker Products® Premium Oxygen Sensor for 1999 Ford Explorer

    PartNumber: 250-24701
    Product Specifications
    • Connector Gender: Male
    • OE Part Number: ZZR118861
    • Overall Length: 18.82"(478.028 mm)
    • Position: Upstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620042362
    • Wire Gauge Measurement: 22 Gauge
    • Wire Harness Length: 15.28"(388.112 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 1999 Ford Explorer Premium Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 8 Cyl 5.0L
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    $32.34
  • Delphi Oxygen Sensor for 1999 Ford Explorer - ES20316

    Delphi® Oxygen Sensor for 1999 Ford Explorer

    PartNumber: ES20316
    Product Specifications
    • Notes: 14in Length
    • Connector Shape: Round
    • OE Part Number: OE No F09Z9F472A, OE No F0TZ9F472A, OE No F1SZ9F472A
    • Position: Front
    • Sensor Type: Heated
    • Terminal Quantity: 4
    • Thread: 18 x 1.5 mm
    • UPC: 689604188279
    • Wire Harness Length: 10.8" (270 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 1999 Ford Explorer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | XL | 6 Cyl 4.0L
    • 1999 Ford Explorer | Sport | 6 Cyl 4.0L
    • 1999 Ford Explorer | Eddie Bauer | 6 Cyl 4.0L
    • 1999 Ford Explorer | Limited | 6 Cyl 4.0L
    • 1999 Ford Explorer | XLT | 6 Cyl 4.0L
    • 1999 Ford Explorer | Eddie Bauer | 8 Cyl 5.0L
    • 1999 Ford Explorer | Limited | 8 Cyl 5.0L
    • 1999 Ford Explorer | XLT | 8 Cyl 5.0L
    • 1999 Ford Explorer | XLS | 8 Cyl 5.0L
    • 1999 Ford Explorer | XLS | 6 Cyl 4.0L
    Show More
    $34.57
  • Walker Products Premium Oxygen Sensor for 1999 Ford Explorer - 250-24001

    Walker Products® Premium Oxygen Sensor for 1999 Ford Explorer

    PartNumber: 250-24001
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 16.85"(427.99 mm)
    • Position: Downstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620017766
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 13.31"(338.074 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 1999 Ford Explorer Premium Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    • 1999 Ford Explorer | All Trims | 8 Cyl 5.0L
    $34.62
  • Walker Products Oxygen Sensor for 1999 Ford Explorer - 350-34539

    Walker Products® Oxygen Sensor for 1999 Ford Explorer

    PartNumber: 350-34539
    Product Specifications
    • Notes: Upstream; Left;Upstream; Right
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • OE Part Number: ZZR118861
    • Overall Length: 18.82"
    • Position: Upstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620093524
    • Wire Gauge Measurement: 22 Gauge
    • Wire Harness Length: 15.28"
    • Wires Quantity: 4 Wire Leads
    • Part Description: 1999 Ford Explorer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 8 Cyl 5.0L
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    $29.35
  • Walker Products Oxygen Sensor for 1999 Ford Explorer - 350-34602

    Walker Products® Oxygen Sensor for 1999 Ford Explorer

    PartNumber: 350-34602
    Product Specifications
    • Notes: Downstream; Left
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • OE Part Number: ZZR118861
    • Overall Length: 31.22"
    • Position: Downstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620094125
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 27.68"
    • Wires Quantity: 4 Wire Leads
    • Part Description: 1999 Ford Explorer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    $26.60
  • Walker Products Oxygen Sensor for 1999 Ford Explorer - 350-34691

    Walker Products® Oxygen Sensor for 1999 Ford Explorer

    PartNumber: 350-34691
    Product Specifications
    • Notes: Upstream; Left
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • OE Part Number: ZZR118861
    • Overall Length: 16.85"
    • Position: Upstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620101564
    • Wire Gauge Measurement: 22 Gauge
    • Wire Harness Length: 13.31"
    • Wires Quantity: 4 Wire Leads
    • Part Description: 1999 Ford Explorer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    • 1999 Ford Explorer | All Trims | 8 Cyl 5.0L
    $30.36
  • Walker Products Oxygen Sensor for 1999 Ford Explorer - 350-34089

    Walker Products® Oxygen Sensor for 1999 Ford Explorer

    PartNumber: 350-34089
    Product Specifications
    • Notes: Downstream; Left
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • OE Part Number: ZZR118861
    • Overall Length: 20.79"
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620089138
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 17.24"
    • Wires Quantity: 4 Wire Leads
    • Part Description: 1999 Ford Explorer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    $24.93
  • Walker Products Oxygen Sensor for 1999 Ford Explorer - 350-34414

    Walker Products® Oxygen Sensor for 1999 Ford Explorer

    PartNumber: 350-34414
    Product Specifications
    • Notes: Downstream; Right;Downstream; Left
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • OE Part Number: ZZR118861
    • Overall Length: 16.85"
    • Position: Downstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620092299
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 13.31"
    • Wires Quantity: 4 Wire Leads
    • Part Description: 1999 Ford Explorer Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    • 1999 Ford Explorer | All Trims | 8 Cyl 5.0L
    $25.99
  • NTK OE Type Oxygen Sensor for 1999 Ford Explorer - 22500

    NTK® OE Type Oxygen Sensor for 1999 Ford Explorer

    PartNumber: 22500
    Product Specifications
    • Notes: B1S2; OE Equivalent Design;B2S2; OE Equivalent Design
    • Installation Type: Screw
    • Location: B1S2
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • Wire Harness Length: 17" (431.8 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 1999 Ford Explorer OE Type Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    • 1999 Ford Explorer | All Trims | 8 Cyl 5.0L
    $28.66
  • NTK OE Type Oxygen Sensor for 1999 Ford Explorer - 22501

    NTK® OE Type Oxygen Sensor for 1999 Ford Explorer

    PartNumber: 22501
    Product Specifications
    • Notes: B1S2; OE Equivalent Design
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 087295225011
    • Wire Harness Length: 30" (762 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 1999 Ford Explorer OE Type Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    $45.80
  • OEM 1999 Ford Explorer Front Oxygen Sensor Diagram - XL3Z-9F472-AA
    View Related Parts

    OEM (Genuine) 1999 Ford Explorer Front Oxygen Sensor

    PartNumber: XL3Z-9F472-AA
    OEM 1999 Ford Explorer Front Oxygen Sensor - XL3Z-9F472-AA
    Product Specifications
    • Notes: 4.0 Liter;5.0 Liter
    • Location: Driver Side
    • Item Dimensions: 8.7 x 7.6 x 7.6 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1999 Ford Explorer Front Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | Eddie Bauer, Limited, NBX, Postal, Sport, XL, XL Fleet, XLS, XLT, XLT Sport | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.0 L GAS
    $72.26 MSRP: $119.45
    You Save: $47.19 (40%)
  • NTK OE Type Oxygen Sensor for 1999 Ford Explorer - 22503

    NTK® OE Type Oxygen Sensor for 1999 Ford Explorer

    PartNumber: 22503
    Product Specifications
    • Notes: B1S2; OE Equivalent Design
    • Mounting Type: Threaded
    • Sensor Type: Heated
    • Thread Diameter: 18.000
    • Universal Or Specific Fit: Specific
    • UPC: 087295225035
    • Wire Quantity: 4
    • Wiring Harness Length: 22.0000
    • Part Description: 1999 Ford Explorer OE Type Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | All Trims | 6 Cyl 4.0L
    $31.11
  • OEM 1999 Ford Explorer Front Oxygen Sensor Diagram - XL3Z-9F472-BA
    View Related Parts

    OEM (Genuine) 1999 Ford Explorer Front Oxygen Sensor

    PartNumber: XL3Z-9F472-BA
    OEM 1999 Ford Explorer Front Oxygen Sensor - XL3Z-9F472-BA
    Product Specifications
    • Notes: 4.0 Liter;5.0 Liter
    • Location: Passenger Side
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Dimensions: 8.5 x 7.8 x 8.0 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1999 Ford Explorer Front Oxygen Sensor
    More Info
    Vehicle Fitment
    • 1999 Ford Explorer | Eddie Bauer, Limited, Postal, Sport, XL, XL Fleet, XLS, XLT | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
    $37.15 MSRP: $59.27
    You Save: $22.12 (38%)
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