{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
Select your vehicle

Fuel Cap Tester Adapters

It’s easy to test your fuel caps for leaks with an OE-grade fuel cap tester adapter. Good thing CarParts.com has high-quality fuel cap tester adapters. Our products are competitively priced and have gone through strict tests, so you can be sure of their quality and value. Find the item you’re looking for with just a few clicks on our user-friendly website. What are you waiting for? Shop for fuel cap tester adapters now!
Refine by:

Shop Catalog

Showing 1 - 15 of 19 results
Display item:
15
30
45
Sort by:
12422S Fuel Cap Tester Adapter
Part Number: MRD12422S
Vehicle Info Required to Guarantee Fit
$21.49
Product Details
Warranty : 12-month Motorad limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

12410S Fuel Cap Tester Adapter
Part Number: MRD12410S
Vehicle Info Required to Guarantee Fit
$15.49
Product Details
Warranty : 12-month Motorad limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

12410 Fuel Cap Tester Adapter
Part Number: GAT12410
Vehicle Info Required to Guarantee Fit
$15.49
Product Details
Warranty : Lifetime Gates limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

12406S Fuel Cap Tester Adapter
Part Number: MRD12406S
Vehicle Info Required to Guarantee Fit
$19.99
Product Details
Warranty : 12-month Motorad limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

12405S Fuel Cap Tester Adapter
Part Number: MRD12405S
Vehicle Info Required to Guarantee Fit
$19.99
Product Details
Warranty : 12-month Motorad limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

12408S Fuel Cap Tester Adapter
Part Number: MRD12408S
Vehicle Info Required to Guarantee Fit
$20.49
Vehicle Fitment
  • 1974 Nissan B210 Base 4 Cyl 1.3L
  • 1977 - 1978 Nissan 280Z 2+2 6 Cyl 2.8L
  • 1981 - 1983 Nissan 720 Base 4 Cyl 2.2L
  • 1983 - 1986 Nissan Stanza GL 4 Cyl 2.0L
  • 1975 - 1978 Nissan B210 Base 4 Cyl 1.4L
  • 1982 - 1983 Nissan 200SX Base 4 Cyl 2.2L
  • 1981 - 1983 Nissan 720 Deluxe 4 Cyl 2.2L
  • 1982 - 1983 Nissan Maxima GL 6 Cyl 2.8L
  • 1978 - 1981 Nissan 510 Base 4 Cyl 2.0L
  • 1974 Nissan 620 Pickup Base 4 Cyl 1.8L
  • 1977 - 1978 Nissan 280Z Base 6 Cyl 2.8L
  • 1975 - 1979 Nissan 620 Base 4 Cyl 2.0L
  • 1980 - 1980 Nissan 720 Base 4 Cyl 2.0L
  • 1983 - 1985 Nissan 720 Base 4 Cyl 2.0L
  • 1983 - 1986 Nissan 720 Deluxe 4 Cyl 2.5L
  • 1984 - 1986 Nissan Stanza XE 4 Cyl 2.0L
  • 1981 Nissan 810 DX 6 Cyl 2.4L
  • 1972 - 1973 Nissan 620 Pickup Base 4 Cyl 1.6L
  • 1983 - 1986 Nissan 720 Deluxe 4 Cyl 2.4L
  • 1981 - 1982 Nissan 310 Deluxe 4 Cyl 1.5L
  • 1985 - 1986 Nissan 720 Sport Truck 4 Cyl 2.4L
  • 1976 - 1978 Nissan F10 Base 4 Cyl 1.4L
  • 1982 - 1984 Nissan Maxima GL 6 Cyl 2.4L
  • 1983 - 1986 Nissan 720 Base 4 Cyl 2.4L
  • 1980 Nissan 720 Deluxe 4 Cyl 2.0L
  • 1977 - 1980 Nissan 810 Base 6 Cyl 2.4L
  • 1981 - 1982 Nissan 310 GX 4 Cyl 1.5L
  • 1977 - 1981 Nissan 200SX Base 4 Cyl 2.0L
  • 1979 - 1980 Nissan 310 GX 4 Cyl 1.4L
  • 1982 - 1983 Nissan Stanza Base 4 Cyl 2.0L
  • 1979 - 1980 Nissan 310 Deluxe 4 Cyl 1.4L
  • 1981 Nissan 810 DX 6 Cyl 2.8L
Product Details
Warranty : 12-month Motorad limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

12426S Fuel Cap Tester Adapter
Part Number: MRD12426S
Vehicle Info Required to Guarantee Fit
$21.99
Product Details
Warranty : 12-month Motorad limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

12408 Fuel Cap Tester Adapter
Part Number: ST12408
Vehicle Info Required to Guarantee Fit
$23.49
Vehicle Fitment
  • 1974 Nissan B210 Base 4 Cyl 1.3L
  • 1977 - 1978 Nissan 280Z 2+2 6 Cyl 2.8L
  • 1983 - 1986 Nissan Stanza GL 4 Cyl 2.0L
  • 1981 - 1983 Nissan 720 Base 4 Cyl 2.2L
  • 1975 - 1978 Nissan B210 Base 4 Cyl 1.4L
  • 1982 - 1983 Nissan 200SX Base 4 Cyl 2.2L
  • 1981 - 1983 Nissan 720 Deluxe 4 Cyl 2.2L
  • 1982 - 1983 Nissan Maxima GL 6 Cyl 2.8L
  • 1978 - 1981 Nissan 510 Base 4 Cyl 2.0L
  • 1974 Nissan 620 Pickup Base 4 Cyl 1.8L
  • 1977 - 1978 Nissan 280Z Base 6 Cyl 2.8L
  • 1975 - 1979 Nissan 620 Base 4 Cyl 2.0L
  • 1980 - 1980 Nissan 720 Base 4 Cyl 2.0L
  • 1983 - 1985 Nissan 720 Base 4 Cyl 2.0L
  • 1983 - 1986 Nissan 720 Deluxe 4 Cyl 2.5L
  • 1984 - 1986 Nissan Stanza XE 4 Cyl 2.0L
  • 1981 Nissan 810 DX 6 Cyl 2.4L
  • 1972 - 1973 Nissan 620 Pickup Base 4 Cyl 1.6L
  • 1983 - 1986 Nissan 720 Deluxe 4 Cyl 2.4L
  • 1981 - 1982 Nissan 310 Deluxe 4 Cyl 1.5L
  • 1985 - 1986 Nissan 720 Sport Truck 4 Cyl 2.4L
  • 1976 - 1978 Nissan F10 Base 4 Cyl 1.4L
  • 1982 - 1984 Nissan Maxima GL 6 Cyl 2.4L
  • 1983 - 1986 Nissan 720 Base 4 Cyl 2.4L
  • 1980 Nissan 720 Deluxe 4 Cyl 2.0L
  • 1977 - 1980 Nissan 810 Base 6 Cyl 2.4L
  • 1981 - 1982 Nissan 310 GX 4 Cyl 1.5L
  • 1977 - 1981 Nissan 200SX Base 4 Cyl 2.0L
  • 1979 - 1980 Nissan 310 GX 4 Cyl 1.4L
  • 1982 - 1983 Nissan Stanza Base 4 Cyl 2.0L
  • 1979 - 1980 Nissan 310 Deluxe 4 Cyl 1.4L
  • 1981 Nissan 810 DX 6 Cyl 2.8L
Product Details
Notes : 1.38 in. Neck Diameter; Shallow Cam Type; Gray ColorWarranty : 90-day Stant limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

12404 Fuel Cap Tester Adapter
Part Number: ST12404
Vehicle Info Required to Guarantee Fit
$23.49
Product Details
Notes : 1.38 in. Neck Diameter; Deep Cam Type; Yellow ColorWarranty : 90-day Stant limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

12403 Fuel Cap Tester Adapter
Part Number: ST12403
Vehicle Info Required to Guarantee Fit
$23.49
Product Details
Notes : Blue colorWarranty : 90-day Stant limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

12404S Fuel Cap Tester Adapter
Part Number: MRD12404S
Vehicle Info Required to Guarantee Fit
$24.49
Product Details
Warranty : 12-month Motorad limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

12403S Fuel Cap Tester Adapter
Part Number: MRD12403S
Vehicle Info Required to Guarantee Fit
$24.49
Product Details
Warranty : 12-month Motorad limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

12427S Fuel Cap Tester Adapter
Part Number: MRD12427S
Vehicle Info Required to Guarantee Fit
$25.49
Product Details
Warranty : 12-month Motorad limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

12424S Fuel Cap Tester Adapter
Part Number: MRD12424S
Vehicle Info Required to Guarantee Fit
$25.99
Product Details
Warranty : 12-month Motorad limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

12421S Fuel Cap Tester Adapter
Part Number: MRD12421S
Vehicle Info Required to Guarantee Fit
$26.49
Product Details
Warranty : 12-month Motorad limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Page 1 of 2 | Showing 1 - 15 of 19 results

Popular Products

12422S Fuel Cap Tester Adapter
Part No: MRD12422S
( Review)
$21.49
12408 Fuel Cap Tester Adapter
Part No: ST12408
( Review)
$23.49
12410 Fuel Cap Tester Adapter
Part No: GAT12410
( Review)
$15.49

Shopping for Fuel Cap Tester Adapter

Fuel Cap Tester Adapter Shopping Info

What Is a Fuel Cap Tester Adapter?

A fuel cap tester adapter, otherwise known as a gas cap tester, is a device used to check a vehicle’s fuel cap for leaks.

How Much Does a Fuel Cap Tester Adapter Cost?

A fuel cap tester adapter can cost anywhere between $25 and $40.

Shop for an Aftermarket Fuel Cap Tester Adapter on CarParts.com

Here at CarParts.com, we make it easy to find the parts you need. With our innovative search technology, you can find the right products for your ride in just a few clicks. All you have to do is enter your vehicle’s year, make, and model into our vehicle selector to narrow down the results to compatible products for your ride.

Here at CarParts.com, we want drivers like you to get back on the road without breaking the bank, which is why we provide inexpensive solutions for your repairs. All our products come with a low-price guarantee to help you get the best value for your money.

Our wide selection of fuel cap tester adapters are designed to fit various makes and models. Shop from the comfort of your own home, and check out securely in a matter of minutes.

Got a few questions about our products? Our 24/7 customer service team is always ready to give a helping hand. Order now and we’ll deliver the part you need straight to your doorstep in as fast as two business days!