Contact Us Live Chat or 1-888-220-8330
Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Login/Register My Account Track Order Help Center Contact Us
Replacement and OEM Parts for Toyota 4Runner Radiator Cap
Select your vehicle for the best product fit
  • Select Vehicle by Model
  • Select Vehicle by VIN
Select Make
Select Model
Select Year
or

Toyota 4Runner Radiator Cap

< Back to View All
Cooling Systems, Fans & Radiators
  • Department
  • Max Pressure
  • Brands
  • Prices

27 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM Toyota 4Runner Cap Diagram - 16401-63010
    View Related Parts

    OEM (Genuine) Toyota 4Runner Cap

    PartNumber: 16401-63010
    OEM Toyota 4Runner Cap - 16401-63010
    Product Specifications
    • Item Dimensions: 2.9 x 2.9 x 2.8 inches
    • Item Weight: 0.40 Pounds
    • Part Description: Toyota 4Runner Cap
    More Info
    $17.14 MSRP: $24.67
    You Save: $7.53 (31%)
  • Gates Engine Coolant Replacement Radiator Cap for Toyota 4Runner - 31411

    Gates® Engine Coolant Replacement Radiator Cap for Toyota 4Runner

    PartNumber: 31411
    Product Specifications
    • Cap Depth: 0.81 in
    • Coolant Recovery System: Closed System
    • Filler Neck Depth: 10 mm
    • Filler Neck Inside Diameter: 32 mm
    • Filler Neck Outside Diameter: 43 mm
    • OE Comparison Rating: OE Performance
    • Pressure Rating: 13 psi
    • SAE Pressure Range: 12-16 psi
    • Shell Diameter: 2.52 in
    • UPC: 072053407976
    • Part Description: Toyota 4Runner Engine Coolant Replacement Radiator Cap
    More Info
    $7.92
  • OEM Toyota 4Runner Radiator Cap Diagram - 16401-30020
    View Related Parts

    OEM (Genuine) Toyota 4Runner Radiator Cap

    PartNumber: 16401-30020
    OEM Toyota 4Runner Radiator Cap - 16401-30020
    Product Specifications
    • Other Names: Radiator Cap
    • Replaces: 16401-46610
    • Part Description: Toyota 4Runner Radiator Cap
    More Info
    $12.92 MSRP: $18.60
    You Save: $5.68 (31%)
  • Gates Engine Coolant Replacement Radiator Cap for Toyota 4Runner - 31412

    Gates® Engine Coolant Replacement Radiator Cap for Toyota 4Runner

    PartNumber: 31412
    Product Specifications
    • Cap Depth: 0.81 in
    • Coolant Recovery System: Closed System
    • Filler Neck Depth: 10 mm
    • Filler Neck Inside Diameter: 32 mm
    • Filler Neck Outside Diameter: 43 mm
    • OE Comparison Rating: OE Performance
    • Pressure Rating: 16 psi
    • SAE Pressure Range: 14-18 psi
    • Shell Diameter: 2.52 in
    • UPC: 072053407983
    • Part Description: Toyota 4Runner Engine Coolant Replacement Radiator Cap
    More Info
    $7.45
  • OEM Toyota 4Runner Cap Assembly Diagram - 16405-50051
    View Related Parts

    OEM (Genuine) Toyota 4Runner Cap Assembly

    PartNumber: 16405-50051
    OEM Toyota 4Runner Cap Assembly - 16405-50051
    Product Specifications
    • Other Names: Reservoir Cap
    • Item Dimensions: 2.4 x 2.4 x 0.9 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 16405-50050
    • Part Description: Toyota 4Runner Cap Assembly
    More Info
    $12.93 MSRP: $18.62
    You Save: $5.69 (31%)
  • Gates Engine Coolant Replacement Radiator Cap for Toyota 4Runner - 31333

    Gates® Engine Coolant Replacement Radiator Cap for Toyota 4Runner

    PartNumber: 31333
    Product Specifications
    • Cap Depth: 1.06 in
    • Coolant Recovery System: Closed System
    • Filler Neck Depth: 16 mm
    • Filler Neck Inside Diameter: 32 mm
    • Filler Neck Outside Diameter: 43 mm
    • OE Comparison Rating: OE Performance
    • Pressure Rating: 13 psi
    • SAE Pressure Range: 12-16 psi
    • Shell Diameter: 2.59 in
    • UPC: 072053020083
    • Part Description: Toyota 4Runner Engine Coolant Replacement Radiator Cap
    More Info
    $7.28
  • OEM Toyota 4Runner Radiator Cap Diagram - 16401-6A140
    View Related Parts

    OEM (Genuine) Toyota 4Runner Radiator Cap

    PartNumber: 16401-6A140
    OEM Toyota 4Runner Radiator Cap - 16401-6A140
    Product Specifications
    • Item Dimensions: 2.8 x 2.7 x 2.7 inches
    • Item Weight: 0.60 Pounds
    • Replaced by: 16401-17010
    • Part Description: Toyota 4Runner Radiator Cap
    More Info
    $13.14 MSRP: $18.92
    You Save: $5.78 (31%)
  • Gates Engine Coolant Replacement Radiator Cap for Toyota 4Runner - 31527

    Gates® Engine Coolant Replacement Radiator Cap for Toyota 4Runner

    PartNumber: 31527
    Product Specifications
    • Cap Depth: 1.25 in
    • Coolant Recovery System: Optional System
    • Filler Neck Depth: 0.75 in
    • Filler Neck Inside Diameter: 1.61 in
    • Filler Neck Outside Diameter: 2.13 in
    • OE Comparison Rating: OE Performance
    • Pressure Rating: 13 psi
    • SAE Pressure Range: 12-16 psi
    • Shell Diameter: 2.33 in
    • UPC: 072053020472
    • Part Description: Toyota 4Runner Engine Coolant Replacement Radiator Cap
    More Info
    $4.17
  • OEM Toyota 4Runner Cap Assembly Diagram - 16405-75020
    View Related Parts

    OEM (Genuine) Toyota 4Runner Cap Assembly

    PartNumber: 16405-75020
    OEM Toyota 4Runner Cap Assembly - 16405-75020
    Product Specifications
    • Other Names: Cap Assembly
    • Item Dimensions: 2.4 x 2.5 x 0.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Toyota 4Runner Cap Assembly
    More Info
    $15.43 MSRP: $22.21
    You Save: $6.78 (31%)
  • OEM Toyota 4Runner Cap Diagram - 16401-31830
    View Related Parts

    OEM (Genuine) Toyota 4Runner Cap

    PartNumber: 16401-31830
    OEM Toyota 4Runner Cap - 16401-31830
    Product Specifications
    • Other Names: Radiator Cap
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Toyota 4Runner Cap
    More Info
    $13.08 MSRP: $18.82
    You Save: $5.74 (31%)
  • CSF OE Style Engine Coolant Radiator Pressure Mini Cap for Toyota 4Runner - 4502

    CSF® OE Style Engine Coolant Radiator Pressure Mini Cap for Toyota 4Runner

    PartNumber: 4502
    Product Specifications
    • OE Part Number: 10227
    • UPC: 710353450215
    • Part Description: Toyota 4Runner OE Style Engine Coolant Radiator Pressure Mini Cap
    More Info
    $3.97
  • CSF OE Style Engine Coolant Radiator Pressure Micro Cap for Toyota 4Runner - 4513

    CSF® OE Style Engine Coolant Radiator Pressure Micro Cap for Toyota 4Runner

    PartNumber: 4513
    Product Specifications
    • OE Part Number: 10241
    • UPC: 710353451311
    • Part Description: Toyota 4Runner OE Style Engine Coolant Radiator Pressure Micro Cap
    More Info
    $4.06
  • CSF OE Style Engine Coolant Radiator Pressure Micro Cap for Toyota 4Runner - 4514

    CSF® OE Style Engine Coolant Radiator Pressure Micro Cap for Toyota 4Runner

    PartNumber: 4514
    Product Specifications
    • OE Part Number: 10242
    • UPC: 710353451410
    • Part Description: Toyota 4Runner OE Style Engine Coolant Radiator Pressure Micro Cap
    More Info
    $4.06
  • Gates Engine Coolant Safety Release Radiator Cap for Toyota 4Runner - 31511

    Gates® Engine Coolant Safety Release Radiator Cap for Toyota 4Runner

    PartNumber: 31511
    Product Specifications
    • Cap Depth: 1.5 in
    • Coolant Recovery System: Optional System
    • Filler Neck Depth: 0.75 in
    • Filler Neck Inside Diameter: 1.61 in
    • Filler Neck Outside Diameter: 2.13 in
    • Pressure Rating: 13 psi
    • SAE Pressure Range: 12-16 psi
    • Shell Diameter: 2.61 in
    • UPC: 072053020427
    • Part Description: Toyota 4Runner Engine Coolant Safety Release Radiator Cap
    More Info
    $6.67
  • Gates Engine Coolant Safety Release Radiator Cap for Toyota 4Runner - 31533

    Gates® Engine Coolant Safety Release Radiator Cap for Toyota 4Runner

    PartNumber: 31533
    Product Specifications
    • Cap Depth: 1.41 in
    • Coolant Recovery System: Optional System
    • Filler Neck Depth: 16 mm
    • Filler Neck Inside Diameter: 1.61 in
    • Filler Neck Outside Diameter: 43 mm
    • Pressure Rating: 13 psi
    • SAE Pressure Range: 12-16 psi
    • Shell Diameter: 2.2 in
    • UPC: 072053638950
    • Part Description: Toyota 4Runner Engine Coolant Safety Release Radiator Cap
    More Info
    $7.62
  • OEM Toyota 4Runner Cap Diagram - 16401-31650
    View Related Parts

    OEM (Genuine) Toyota 4Runner Cap

    PartNumber: 16401-31650
    OEM Toyota 4Runner Cap - 16401-31650
    Product Specifications
    • Other Names: Cap, Radiator Cap
    • Item Dimensions: 2.7 x 2.7 x 2.8 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 16401-5B630, 16401-75440
    • Part Description: Toyota 4Runner Cap
    More Info
    $17.16 MSRP: $24.69
    You Save: $7.53 (31%)
  • STANT Engine Coolant Radiator Cap for Toyota 4Runner - 10242

    STANT® Engine Coolant Radiator Cap for Toyota 4Runner

    PartNumber: 10242
    Product Specifications
    • Cap Depth: 0.81"
    • Filler Neck Depth: 0.4"
    • Filler Neck Inside Diameter: 1.26"
    • Filler Neck Outside Diameter: 1.69"
    • OE Part Number: 5-86202-367-0, 5-86206-023-0, 8-97182-068-0, 8-97182-068-1, 19045-P72-005, 19045-PY3-013, 19045-PY3-003, 19045-PO8-013, 19045P08013, 19045-PAA-A01, 19045P08004, 19045-PO8-004, 19045-PWA-004, 19045P08003, 19045-RAA-003, 19045-PO8-014, 19045-PO8-003, 19045P
    • Pressure: 16 psi
    • Shell Diameter: 2.52"
    • Type: Closed System
    • UPC: 033342055094
    • Part Description: Toyota 4Runner Engine Coolant Radiator Cap
    More Info
  • STANT Engine Coolant Radiator Cap for Toyota 4Runner - 10227

    STANT® Engine Coolant Radiator Cap for Toyota 4Runner

    PartNumber: 10227
    Product Specifications
    • Cap Depth: 1.06"
    • Filler Neck Depth: 0.63"
    • Filler Neck Inside Diameter: 1.26"
    • Filler Neck Outside Diameter: 1.69"
    • OE Part Number: MB222066, 21430-01F02, MB660701, MB660735, MB660055, MR481217, MB356417, MB890520, YM1Z-8100-AB, E8BZ8100B, E8GY8100A, YF5Z8100AA, F32Z8100A, E92H8100AB, YM1Z-8100-AA, F3XY8100A, YF5H8100AA, F3XY8100B, F6XH8100AA, E92H8100AC, E8GY8100B, F1CZ8100A, F4BZ810
    • Pressure: 13 psi
    • Shell Diameter: 2.59"
    • Type: Closed System
    • UPC: 033342001275
    • Part Description: Toyota 4Runner Engine Coolant Radiator Cap
    More Info
  • STANT Engine Coolant Radiator Cap for Toyota 4Runner - 10229

    STANT® Engine Coolant Radiator Cap for Toyota 4Runner

    PartNumber: 10229
    Product Specifications
    • Cap Depth: 1.25"
    • Filler Neck Depth: 0.75"
    • Filler Neck Inside Diameter: 1.61"
    • Filler Neck Outside Diameter: 2.13"
    • OE Part Number: 17111100848, 17111712669, 17111712492, 17111262051, 17110152374, 171111200, 3187167, MB007298, MB221633, J3239819, 83502502, J3239375, MB007571, MB007570, MB721633, J3246241, 2239643, 33000866, MB007900, 3220313, 1686107, E5TZ8100A, E7RY-8100-A, D7ZZ8100A
    • Pressure: 13 psi
    • Shell Diameter: 2.33"
    • Type: Optional System
    • UPC: 033342001299
    • Part Description: Toyota 4Runner Engine Coolant Radiator Cap
    More Info
  • STANT Engine Coolant Radiator Cap for Toyota 4Runner - 10241

    STANT® Engine Coolant Radiator Cap for Toyota 4Runner

    PartNumber: 10241
    Product Specifications
    • Cap Depth: 0.81"
    • Filler Neck Depth: 0.4"
    • Filler Neck Inside Diameter: 1.26"
    • Filler Neck Outside Diameter: 1.69"
    • OE Part Number: MB660667, MR481216, 16401-15520, 16401-21250, 1640120310, 16401-72090, 16401-46610, 16401-16020, 16401-20353, 17920-76G00, B3C7-15-205, 45137XA01A, 45137XA01B, 45137XA00A
    • Pressure: 13 psi
    • Shell Diameter: 2.52"
    • Type: Closed System
    • UPC: 033342055070
    • Part Description: Toyota 4Runner Engine Coolant Radiator Cap
    More Info
  • STANT Engine Coolant Radiator Cap for Toyota 4Runner - 10327

    STANT® Engine Coolant Radiator Cap for Toyota 4Runner

    PartNumber: 10327
    Product Specifications
    • Cap Depth: 1.41"
    • Filler Neck Depth: 0.63"
    • Filler Neck Inside Diameter: 1.61"
    • Filler Neck Outside Diameter: 1.69"
    • Pressure: 13 psi
    • Shell Diameter: 2.2"
    • Type: Optional System
    • UPC: 033342074637
    • Part Description: Toyota 4Runner Engine Coolant Radiator Cap
    More Info
  • STANT Engine Coolant Radiator Cap for Toyota 4Runner - 10329

    STANT® Engine Coolant Radiator Cap for Toyota 4Runner

    PartNumber: 10329
    Product Specifications
    • Cap Depth: 1.5"
    • Filler Neck Depth: 0.75"
    • Filler Neck Inside Diameter: 1.61"
    • Filler Neck Outside Diameter: 2.13"
    • OE Part Number: C1UZ8100A
    • Pressure: 13 psi
    • Shell Diameter: 2.61"
    • Type: Optional System
    • UPC: 033342002296
    • Part Description: Toyota 4Runner Engine Coolant Radiator Cap
    More Info
  • OEM Toyota 4Runner Reservoir Cap Diagram - 16401-20353
    View Related Parts

    OEM (Genuine) Toyota 4Runner Reservoir Cap

    PartNumber: 16401-20353
    OEM Toyota 4Runner Reservoir Cap - 16401-20353
    Product Specifications
    • Other Names: Cap, Radiator Cap
    • Item Dimensions: 2.7 x 2.7 x 2.8 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 16401-72090, 16401-20310
    • Part Description: Toyota 4Runner Reservoir Cap
    More Info
  • OEM Toyota 4Runner Radiator Assembly Cap Diagram - 16401-36020
    View Related Parts

    OEM (Genuine) Toyota 4Runner Radiator Assembly Cap

    PartNumber: 16401-36020
    OEM Toyota 4Runner Radiator Assembly Cap - 16401-36020
    Product Specifications
    • Other Names: Cap, Radiator Cap, Water Outlet Cap
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 16401-31792, 16401-31520, 16401-62100
    • Part Description: Toyota 4Runner Radiator Assembly Cap
    More Info
  • OEM Toyota 4Runner Cap Sub-Assy, Reserve Tank Diagram - 16405-71010
    View Related Parts

    OEM (Genuine) Toyota 4Runner Cap Sub-Assy, Reserve Tank

    PartNumber: 16405-71010
    OEM Toyota 4Runner Cap Sub-Assy, Reserve Tank - 16405-71010
    Product Specifications
    • Other Names: Cap Assembly
    • Item Dimensions: 9.6 x 6.5 x 8.3 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Toyota 4Runner Cap Sub-Assy, Reserve Tank
    More Info
  • OEM Toyota 4Runner Cap Sub-Assy, Reserve Tank Diagram - 16405-35010
    View Related Parts

    OEM (Genuine) Toyota 4Runner Cap Sub-Assy, Reserve Tank

    PartNumber: 16405-35010
    OEM Toyota 4Runner Cap Sub-Assy, Reserve Tank - 16405-35010
    Product Specifications
    • Other Names: Cap Assembly
    • Item Dimensions: 2.5 x 2.4 x 0.8 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Toyota 4Runner Cap Sub-Assy, Reserve Tank
    More Info
  • OEM Toyota 4Runner Cap Sub-Assy, Reserve Tank Diagram - 16405-35040
    View Related Parts

    OEM (Genuine) Toyota 4Runner Cap Sub-Assy, Reserve Tank

    PartNumber: 16405-35040
    OEM Toyota 4Runner Cap Sub-Assy, Reserve Tank - 16405-35040
    Product Specifications
    • Other Names: Cap Assembly
    • Item Dimensions: 2.4 x 2.5 x 0.9 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Toyota 4Runner Cap Sub-Assy, Reserve Tank
    More Info

Browse Toyota 4Runner Radiator Cap by Years

2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984