OEM 350Z / G35 Radiator Cap
my_location

Deliver to Dublin 43017

No vehicle selected! Select your vehicle
close
close
Filtersfilter_list

Ratings

close
check_circle_outline Added to Cart
OEM 350Z / G35 Radiator Cap
shopping_cartCart
payment

Checkout

Discover More Products

350Z / G35 Thermostat & Housing VQ35
350Z / G35 Thermostat & Housing VQ35
$28.35
OEM VQ / VR38 Thermostat Gasket
OEM VQ / VR38 Thermostat Gasket
$5.50
Z1 Aluminum Coolant Bleeder Port - Heater Hose
Z1 Aluminum Coolant Bleeder Port - Heater Hose
$29.99
OEM L248SP Green Coolant (Antifreeze) - Concentrate
OEM L248SP Green Coolant (Antifreeze) - Concentrate
$21.20
OEM Long Life Blue Coolant (Antifreeze) - 50/50 Pre-Mixed
OEM Long Life Blue Coolant (Antifreeze) - 50/50 Pre-Mixed
$19.32
OEM VQ35DE Water Pump
OEM VQ35DE Water Pump
$140.52
close
starstarstarstarstar 5/5 - (10 Reviews)

Product Description

OEM Nissan radiator cap fits various Nissan and Infiniti models including the 350z and G35.

These are typical wear components that should also be checked frequently, and are responsible for maintaining consistent coolant temperatures. Replacement of the radiator cap is recommended whenever replacing the radiator.

We also offer and upgraded higher pressure radiator cap, available HERE!

Fits:

  • 2003-2008 Nissan 350Z (Z33)
  • 2003-2007 Infiniti G35 Coupe
  • 2003-2006 Infiniti G35 Sedan

Sold Individually

OEM 350Z / G35 Radiator Cap

Brand: Nissan
Part #:
21430-7999C - 2003-2006 (VQ35DE) > 21430-01F02 > 21430-79901
21430-D999C - 2007-2008 (VQ35HR) > 21430-D991A > 21430-D999A
Fits models: 350Z / G35...
Please review the product description if you are unsure about any of the options below.

Engine

remove
1
add
Item Quantity
In stock, ready to ship. 
help
$19.03

add_shopping_cart Add to Cart
OEM 350Z / G35 Radiator Cap
$19.03
add_shopping_cart Add to Cart
question_answerAsk A Question About This Product

Customers who bought this item also purchased ...

350Z / G35 Thermostat & Housing VQ35
350Z / G35 Thermostat & Housing VQ35
starstarstarstarstar (41)
$28.35
OEM VQ / VR38 Thermostat Gasket
OEM VQ / VR38 Thermostat Gasket
starstarstarstarstar (43)
$5.50
Z1 Aluminum Coolant Bleeder Port - Heater Hose
Z1 Aluminum Coolant Bleeder Port - Heater Hose
starstarstarstarstar (198)
$29.99
OEM L248SP Green Coolant (Antifreeze) - Concentrate
OEM L248SP Green Coolant (Antifreeze) - Concentrate
starstarstarstarstar (5)
$21.20
OEM Long Life Blue Coolant (Antifreeze) - 50/50 Pre-Mixed
OEM Long Life Blue Coolant (Antifreeze) - 50/50 Pre-Mixed
starstarstarstarstar (57)
$19.32
OEM VQ35DE Water Pump
OEM VQ35DE Water Pump
starstarstarstarstar (7)
$140.52

Similar to this item

Z1 Motorsports High Pressure Radiator Cap
Z1 Motorsports High Pressure Radiator Cap
starstarstarstarstar_half (115)
$24.99
OEM Radiator Rubber Mounting - Upper
OEM Radiator Rubber Mounting - Upper
starstarstarstarstar (10)
$3.84
350Z / G35 Lower Radiator Mount
350Z / G35 Lower Radiator Mount
starstarstarstarstar_half (12)
$7.44
OEM '03-'07 Infiniti G35 Radiator Hose Clamp
OEM '03-'07 Infiniti G35 Radiator Hose Clamp
starstarstarstarstar (3)
$5.31
350Z / G35 Radiator Mount Bracket
350Z / G35 Radiator Mount Bracket
starstarstarstarstar (3)
$27.91
OEM Coolant Reservoir Cap (Radiator Overflow)
OEM Coolant Reservoir Cap (Radiator Overflow)
starstarstarstarstar (17)
$11.01

What our customers say

starstarstarstarstar
Daniel
March 4, 2025
Great fit, great quality.
starstarstarstarstar
Oscar
January 9, 2025
fixed my issue 100% oe fit all the way
starstarstarstarstar
Rudy
March 18, 2024
Perfect oem solution
starstarstarstarstar
Nathanial
November 9, 2023
perfect replacement for the worn out OEM
starstarstarstarstar
Brian
August 18, 2023
Works just as well as oem. Seal is tight and keeps everything in place
starstarstarstarstar
Teresa
April 18, 2023
Great if replacing Radiator !!!
starstarstarstarstar
Brad
October 12, 2022
Works like the OEM one. Good replacement.
starstarstarstarstar
Alex
September 5, 2021
Surprised it got too me as fast as it did but Z1 is perfect for these Oem parts
starstarstarstarstar
Sarah
August 17, 2021
Purchased this OEM cap along with a OEM thermostat from here for Infiniti G35 2006 Coupe. After purchasing generic caps not sealing right or allowing too much pressure to build up or air in. Very satisfied!
starstarstarstarstar
Philip
April 26, 2021
fits just like the OEM one. works great! no issues with it, had it on for 6 months now.