Search Bar
Search by Part Number, Part Name, or Vehicle
My Garage
My Account
Cart
OE Parts
Body & Mirrors
Chassis & Brakes
Engine & Drivetrain
Electrical & Lighting
Help Center
< Back
×
Hello
Login or Register
Quick Links
Live Chat
Track Order
RMA
Help Center
Contact Us
Shop OE Parts
Shop By Category
Body & Mirrors
Chassis & Brakes
Engine & Drivetrain
Electrical & Lighting
Home
>
4Runner
>
Engine & Drivetrain
>
Cooling Systems, Fans, Radiators & Components
>
Radiator Cap
Toyota 4Runner Radiator Cap
Select vehicle to guarantee fit
Make
Model
Year
Or
Enter the VIN of Your Vehicle
Filter Results
< Back to View All
Cooling Systems, Fans & Radiators
Department
OE
Replacement
Max Pressure
13 psi
16 psi
18 psi
Brands
CSF
Gates
STANT
Prices
$9.99 and under
$10 to $19.99
$20 and over
27
Products found
Sort by:
Recommended
Filter Results
Sort
View by
View Related Parts
OEM (Genuine)
Toyota 4Runner Cap
PartNumber:
16401-63010
Make sure this part fits,
Select Vehicle
$19.17
MSRP:
$27.60
You Save: $8.43 (31%)
View Details
Product Specifications
Item Dimensions:
2.9 x 2.9 x 2.9 inches
Item Weight:
0.60 Pounds
Part Description:
Toyota 4Runner Cap
More Info
Gates®
Engine Coolant Replacement Radiator Cap for Toyota 4Runner
PartNumber:
31411
Make sure this part fits,
Select Vehicle
$9.10
View Details
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
View Related Parts
OEM (Genuine)
Toyota 4Runner Radiator Cap
PartNumber:
16401-30020
Make sure this part fits,
Select Vehicle
$14.00
MSRP:
$20.14
You Save: $6.14 (31%)
View Details
Product Specifications
Other Names:
Radiator Cap
Replaces:
16401-46610
Part Description:
Toyota 4Runner Radiator Cap
More Info
Gates®
Engine Coolant Replacement Radiator Cap for Toyota 4Runner
PartNumber:
31412
Make sure this part fits,
Select Vehicle
$8.56
View Details
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
View Related Parts
OEM (Genuine)
Toyota 4Runner Cap Assembly
PartNumber:
16405-50051
Make sure this part fits,
Select Vehicle
$13.64
MSRP:
$19.62
You Save: $5.98 (31%)
View Details
Product Specifications
Other Names:
Cap Sub-Assembly, Radiator Reserve Tank; Cap Sub-Assembly, Reserve Tank
Item Dimensions:
2.5 x 2.4 x 0.9 inches
Item Weight:
0.60 Pounds
Fitment Type:
Direct Replacement
Replaces:
16405-50050
Part Description:
Toyota 4Runner Cap Assembly
More Info
Gates®
Engine Coolant Replacement Radiator Cap for Toyota 4Runner
PartNumber:
31333
Make sure this part fits,
Select Vehicle
$8.18
View Details
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
View Related Parts
OEM (Genuine)
Toyota 4Runner Radiator Cap
PartNumber:
16401-6A140
Make sure this part fits,
Select Vehicle
$14.24
MSRP:
$20.49
You Save: $6.25 (31%)
View Details
Product Specifications
Item Dimensions:
2.7 x 2.7 x 2.7 inches
Item Weight:
0.70 Pounds
Replaced by:
16401-17010
Part Description:
Toyota 4Runner Radiator Cap
More Info
Gates®
Engine Coolant Replacement Radiator Cap for Toyota 4Runner
PartNumber:
31527
Make sure this part fits,
Select Vehicle
$4.76
View Details
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
View Related Parts
OEM (Genuine)
Toyota 4Runner Cap Assembly
PartNumber:
16405-75020
Make sure this part fits,
Select Vehicle
$16.25
MSRP:
$23.39
You Save: $7.14 (31%)
View Details
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
View Related Parts
OEM (Genuine)
Toyota 4Runner Cap
PartNumber:
16401-31830
Make sure this part fits,
Select Vehicle
$14.67
MSRP:
$21.10
You Save: $6.43 (31%)
View Details
Product Specifications
Other Names:
Filler Cap
Item Weight:
0.60 Pounds
Fitment Type:
Direct Replacement
Part Description:
Toyota 4Runner Cap
More Info
CSF®
OE Style Engine Coolant Radiator Pressure Mini Cap for Toyota 4Runner
PartNumber:
4502
Make sure this part fits,
Select Vehicle
$7.13
View Details
Product Specifications
OE Part Number: 10227
UPC: 710353450215
Part Description: Toyota 4Runner OE Style Engine Coolant Radiator Pressure Mini Cap
More Info
CSF®
OE Style Engine Coolant Radiator Pressure Micro Cap for Toyota 4Runner
PartNumber:
4513
Make sure this part fits,
Select Vehicle
$7.11
View Details
Product Specifications
OE Part Number: 10241
UPC: 710353451311
Part Description: Toyota 4Runner OE Style Engine Coolant Radiator Pressure Micro Cap
More Info
CSF®
OE Style Engine Coolant Radiator Pressure Micro Cap for Toyota 4Runner
PartNumber:
4514
Make sure this part fits,
Select Vehicle
$7.11
View Details
Product Specifications
OE Part Number: 10242
UPC: 710353451410
Part Description: Toyota 4Runner OE Style Engine Coolant Radiator Pressure Micro Cap
More Info
Gates®
Engine Coolant Safety Release Radiator Cap for Toyota 4Runner
PartNumber:
31511
Make sure this part fits,
Select Vehicle
$7.65
View Details
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
Gates®
Engine Coolant Safety Release Radiator Cap for Toyota 4Runner
PartNumber:
31533
Make sure this part fits,
Select Vehicle
$9.08
View Details
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
View Related Parts
OEM (Genuine)
Toyota 4Runner Reservoir Cap
PartNumber:
16401-20353
Make sure this part fits,
Select Vehicle
$14.00
MSRP:
$20.14
You Save: $6.14 (31%)
View Details
Product Specifications
Other Names:
Cap
Item Dimensions:
2.8 x 2.7 x 2.7 inches
Item Weight:
0.60 Pounds
Fitment Type:
Direct Replacement
Replaces:
16401-72090, 16401-20310
Part Description:
Toyota 4Runner Reservoir Cap
More Info
View Related Parts
OEM (Genuine)
Toyota 4Runner Radiator Assembly Cap
PartNumber:
16401-36020
Make sure this part fits,
Select Vehicle
$15.86
MSRP:
$22.82
You Save: $6.96 (31%)
View Details
Product Specifications
Other Names:
Water Outlet Cap; Cap
Item Weight:
0.60 Pounds
Fitment Type:
Direct Replacement
Replaces:
16401-31792, 16401-31520, 16401-62100
Part Description:
Toyota 4Runner Radiator Assembly Cap
More Info
View Related Parts
OEM (Genuine)
Toyota 4Runner Cap
PartNumber:
16401-31650
Make sure this part fits,
Select Vehicle
$17.52
MSRP:
$25.22
You Save: $7.70 (31%)
View Details
Product Specifications
Other Names:
Cap
Item Dimensions:
2.7 x 2.7 x 2.8 inches
Item Weight:
1.50 Pounds
Fitment Type:
Direct Replacement
Replaces:
16401-5B630, 16401-75440
Part Description:
Toyota 4Runner Cap
More Info
STANT®
Engine Coolant Radiator Cap for Toyota 4Runner
PartNumber:
10242
Make sure this part fits,
Select Vehicle
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
PartNumber:
10227
Make sure this part fits,
Select Vehicle
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
PartNumber:
10229
Make sure this part fits,
Select Vehicle
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
PartNumber:
10241
Make sure this part fits,
Select Vehicle
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
PartNumber:
10327
Make sure this part fits,
Select Vehicle
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
PartNumber:
10329
Make sure this part fits,
Select Vehicle
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
View Related Parts
OEM (Genuine)
Toyota 4Runner Cap Sub-Assy, Reserve Tank
PartNumber:
16405-71010
Make sure this part fits,
Select Vehicle
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
View Related Parts
OEM (Genuine)
Toyota 4Runner Cap Sub-Assy, Reserve Tank
PartNumber:
16405-35010
Make sure this part fits,
Select Vehicle
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
View Related Parts
OEM (Genuine)
Toyota 4Runner Cap Sub-Assy, Reserve Tank
PartNumber:
16405-35040
Make sure this part fits,
Select Vehicle
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