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1999 Mercury Mountaineer
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OEM (Genuine) 1999 Mercury Mountaineer Lower Oxygen Sensor
PartNumber: GU2Z-9G444-A
Product Specifications- Notes: Explorer, Mountaineer; 4.0L; Sohc;Explorer, Mountaineer; 5.0L; 4.0 Liter;5.0 Liter
- Location: Passenger Side; Driver Side
- 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 Mercury Mountaineer Lower Oxygen Sensor
Vehicle Fitment- 1999 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 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:$88.55You Save: $34.99 (40%)
Denso® Universal Fit Oxygen Sensor for 1999 Mercury Mountaineer
PartNumber: 234-4212Product 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 Mercury Mountaineer Universal Fit Oxygen Sensor
Vehicle Fitment- 1999 Mercury Mountaineer | All Trims | 8 Cyl 5.0L
- 1999 Mercury Mountaineer | All Trims | 6 Cyl 4.0L
$38.90
Delphi® Oxygen Sensor for 1999 Mercury Mountaineer
PartNumber: ES20151Product 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 Mercury Mountaineer Oxygen Sensor
Vehicle Fitment- 1999 Mercury Mountaineer | Base | 6 Cyl 4.0L
- 1999 Mercury Mountaineer | Base | 8 Cyl 5.0L
$44.36
Spectra Premium® Oxygen Sensor for 1999 Mercury Mountaineer
PartNumber: OS5041Product 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 Mercury Mountaineer Oxygen Sensor
Vehicle Fitment- 1999 Mercury Mountaineer | All Trims | 6 Cyl 4.0L
- 1999 Mercury Mountaineer | All Trims | 8 Cyl 5.0L
$23.34
Walker Products® Premium Oxygen Sensor for 1999 Mercury Mountaineer
PartNumber: 250-241127Product 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 Mercury Mountaineer Premium Oxygen Sensor
Vehicle Fitment- 1999 Mercury Mountaineer | All Trims | 8 Cyl 5.0L
$45.09
Denso® Oxygen Sensor for 1999 Mercury Mountaineer
PartNumber: 234-4403Product 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 Mercury Mountaineer Oxygen Sensor
Vehicle Fitment- 1999 Mercury Mountaineer | All Trims | 8 Cyl 5.0L
- 1999 Mercury Mountaineer | All Trims | 6 Cyl 4.0L
$34.54
Delphi® Oxygen Sensor for 1999 Mercury Mountaineer
PartNumber: ES20328Product 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 Mercury Mountaineer Oxygen Sensor
Vehicle Fitment- 1999 Mercury Mountaineer | Base | 8 Cyl 5.0L
$43.36
Spectra Premium® Oxygen Sensor for 1999 Mercury Mountaineer
PartNumber: OS5037Product 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 Mercury Mountaineer Oxygen Sensor
Vehicle Fitment- 1999 Mercury Mountaineer | All Trims | 8 Cyl 5.0L
- 1999 Mercury Mountaineer | All Trims | 6 Cyl 4.0L
$21.82Walker Products® Premium Oxygen Sensor for 1999 Mercury Mountaineer
PartNumber: 250-24701Product 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 Mercury Mountaineer Premium Oxygen Sensor
Vehicle Fitment- 1999 Mercury Mountaineer | All Trims | 6 Cyl 4.0L
- 1999 Mercury Mountaineer | All Trims | 8 Cyl 5.0L
$32.34
Denso® Oxygen Sensor for 1999 Mercury Mountaineer
PartNumber: 234-4401Product 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 Mercury Mountaineer Oxygen Sensor
Vehicle Fitment- 1999 Mercury Mountaineer | All Trims | 8 Cyl 5.0L
$33.52
Delphi® Oxygen Sensor for 1999 Mercury Mountaineer
PartNumber: ES20316Product 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 Mercury Mountaineer Oxygen Sensor
Vehicle Fitment- 1999 Mercury Mountaineer | Base | 8 Cyl 5.0L
- 1999 Mercury Mountaineer | Base | 6 Cyl 4.0L
$34.57Walker Products® Premium Oxygen Sensor for 1999 Mercury Mountaineer
PartNumber: 250-24001Product 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 Mercury Mountaineer Premium Oxygen Sensor
Vehicle Fitment- 1999 Mercury Mountaineer | All Trims | 8 Cyl 5.0L
- 1999 Mercury Mountaineer | All Trims | 6 Cyl 4.0L
$35.30
Denso® Oxygen Sensor for 1999 Mercury Mountaineer
PartNumber: 234-4071Product 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 Mercury Mountaineer Oxygen Sensor
Vehicle Fitment- 1999 Mercury Mountaineer | All Trims | 8 Cyl 5.0L
- 1999 Mercury Mountaineer | All Trims | 6 Cyl 4.0L
$27.32
Walker Products® Oxygen Sensor for 1999 Mercury Mountaineer
PartNumber: 350-34539Product 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 Mercury Mountaineer Oxygen Sensor
Vehicle Fitment- 1999 Mercury Mountaineer | All Trims | 6 Cyl 4.0L
- 1999 Mercury Mountaineer | All Trims | 8 Cyl 5.0L
$29.35
Walker Products® Oxygen Sensor for 1999 Mercury Mountaineer
PartNumber: 350-34691Product 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 Mercury Mountaineer Oxygen Sensor
Vehicle Fitment- 1999 Mercury Mountaineer | All Trims | 8 Cyl 5.0L
$30.97
Walker Products® Oxygen Sensor for 1999 Mercury Mountaineer
PartNumber: 350-34414Product Specifications- Notes: Downstream; Left;Downstream; Right
- 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 Mercury Mountaineer Oxygen Sensor
Vehicle Fitment- 1999 Mercury Mountaineer | All Trims | 8 Cyl 5.0L
- 1999 Mercury Mountaineer | All Trims | 6 Cyl 4.0L
$26.53
NTK® OE Type Oxygen Sensor for 1999 Mercury Mountaineer
PartNumber: 22500Product 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 Mercury Mountaineer OE Type Oxygen Sensor
Vehicle Fitment- 1999 Mercury Mountaineer | All Trims | 8 Cyl 5.0L
- 1999 Mercury Mountaineer | All Trims | 6 Cyl 4.0L
$29.23
NTK® OE Type Oxygen Sensor for 1999 Mercury Mountaineer
PartNumber: 22524Product Specifications- Notes: B1S1; OE Equivalent Design;B2S1; OE Equivalent Design
- Mounting Type: Threaded
- Sensor Type: Heated
- Thread Diameter: 18.000
- Universal Or Specific Fit: Specific
- UPC: 087295225240
- Wire Quantity: 4
- Wiring Harness Length: 17.7500
- Part Description: 1999 Mercury Mountaineer OE Type Oxygen Sensor
Vehicle Fitment- 1999 Mercury Mountaineer | All Trims | 6 Cyl 4.0L
- 1999 Mercury Mountaineer | All Trims | 8 Cyl 5.0L
$42.27
OEM (Genuine) 1999 Mercury Mountaineer Oxygen Sensor
PartNumber: F88Z-9F472-CA
Product Specifications- Notes: 4.0 Liter
- Location: Driver Side
- Item Dimensions: 8.6 x 7.7 x 7.7 inches
- Item Weight: 0.60 Pounds
- Replaces: F78Z-9F472-CA
- Part Description: 1999 Mercury Mountaineer Oxygen Sensor
Vehicle Fitment- 1999 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS