OEM Toyota 4Runner Radiator Cap

Cooling Radiator Cap

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Model

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

13 Radiator Caps found

View related parts
Toyota 4Runner Cap Sub-Assembly, RADIAT
Part Number: 16401-30020
$13.73 MSRP: $19.11
You Save: $5.38 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Radiator Cap
- Replaces: 16401-0C050, 16401-46610
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2010-2016 Toyota 4Runner | Limited, SR5, Trail, TRD Pro | 6 Cyl 4.0 L GAS
View related parts
Toyota 4Runner Cap Sub-Assy, Radiator
Part Number: 16401-20353
$13.73 MSRP: $19.11
You Save: $5.38 (29%)
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator Cap, Reservoir Cap
- Replaces: 16401-20310, 16401-72090
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1996-2000 Toyota 4Runner | Base, Limited, SR5 | 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS
View related parts
Toyota 4Runner Cap Sub-Assy, Reserve Tank
Part Number: 16405-50051
$13.87 MSRP: $19.31
You Save: $5.44 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap Sub-Assy, Radiator Reserve Tank; Cap Assembly, Reservoir Cap
- Replaces: 16405-50050
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2003-2018 Toyota 4Runner | Limited, Sport, SR5, SR5 Premium, Trail, TRD Off-Road, TRD Off-Road Premium, TRD Pro | 4 Cyl 2.7 L GAS, 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
View related parts
Toyota 4Runner Cap Sub-Assembly, RADIAT
Part Number: 16401-36020
$16.06 MSRP: $22.36
You Save: $6.30 (29%)
ADD TO CART
Product Specifications
- Other Name: Cap Sub-Assy, Radiator; Filler Cap, Radiator Assembly Cap, Radiator Cap
- Manufacturer Note: TYPE C:REFER ILLUST.
- Replaces: 16401-31520, 16401-31792, 16401-62100
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2015-2016, 2001-2002 Toyota 4Runner | Base, Limited, SR5, Trail, TRD Pro | 6 Cyl 3.4 L GAS, 6 Cyl 4.0 L GAS
View related parts
Toyota 4Runner Cap Sub-Assy, Reserve Tank
Part Number: 16405-75020
$16.53 MSRP: $23.00
You Save: $6.47 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap Assembly
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1996-2002 Toyota 4Runner | Base, Limited, SR5 | 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS
View related parts
Toyota 4Runner Cap Sub-Assy, Radiator
Part Number: 16401-63010
$18.15 MSRP: $25.27
You Save: $7.12 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator Cap
- Replaces: 16401-63010-73
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1990-1995 Toyota 4Runner | SR5 | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS
View related parts
Toyota 4Runner Cap Sub-Assembly, RADIAT
Part Number: 16401-31650
$17.75 MSRP: $24.70
You Save: $6.95 (29%)
ADD TO CART
Product Specifications
- Other Name: Radiator Cap
- Replaces: 16401-75440, 16401-5B630, 16401-05140
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2003-2010 Toyota 4Runner | Limited, Sport, SR5 | 4 Cyl 2.7 L GAS, 6 Cyl 4.0 L GAS
View related parts
Toyota 4Runner Cap Sub-Assy, Reserve Tank
Part Number: 16405-22040
$11.87 MSRP: $16.51
You Save: $4.64 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Reservoir Cap
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2019-2023 Toyota 4Runner | 40th Anniversary Edition, Limited, Nightshade, SR5, SR5 Premium, Trail, TRD Off-Road, TRD Off-Road Premium, TRD Pro, TRD Sport, Venture | 6 Cyl 4.0 L GAS
View related parts
Toyota 4Runner Cap Sub-Assembly, RADIAT
Part Number: 16401-31830
$13.85 MSRP: $19.28
You Save: $5.43 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap Sub-Assy, Radiator; Cap, Radiator Cap
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2016-2023 Toyota 4Runner | 40th Anniversary Edition, Limited, Nightshade, SR5, SR5 Premium, Trail, TRD Off-Road, TRD Off-Road Premium, TRD Pro, TRD Sport, Venture | 6 Cyl 4.0 L GAS
View related parts
Toyota 4Runner Cap Sub-Assembly, RADIAT
Part Number: 16401-17010
$13.97 MSRP: $19.45
You Save: $5.48 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap Sub-Assy, Radiator; Radiator Cap
- Replaces: 16401-50370, 16401-6A140
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2003-2009 Toyota 4Runner | Limited, Sport, SR5 | 8 Cyl 4.7 L GAS
View related parts
Toyota 4Runner Cap Sub-Assy, Reserve Tank
Part Number: 16405-35040
Product Specifications
- Other Name: Cap Assembly
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1990-1995 Toyota 4Runner | SR5 | 6 Cyl 3.0 L GAS
View related parts
Toyota 4Runner Cap Sub-Assy, Reserve Tank
Part Number: 16405-71010
Product Specifications
- Other Name: Cap Assembly
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1990-1995 Toyota 4Runner | SR5 | 4 Cyl 2.4 L GAS
View related parts
Toyota 4Runner Cap Sub-Assy, Reserve Tank
Part Number: 16405-35010
Product Specifications
- Other Name: Cap Assembly
- Manufacturer Note: W(AIR BOX)
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1990-1995 Toyota 4Runner | SR5 | 4 Cyl 2.4 L GAS

Toyota 4Runner Radiator Cap

If you're thinking about purchasing OEM parts for your Toyota 4Runner, our website is your one-stop destination. We stock an extensive selection of genuine Toyota 4Runner Radiator Cap at pocket-friendly prices. Plus, we guarantee a swift delivery and a hassle-free return policy for your convenience.