# MotoRad 12421S Light Blue Quick-On Fuel Cap Tester Adapter for 1996-2007 Buick Century

### Specifications

Adapter Type: Fuel Cap Tester Adapter

Color: Light Blue

Cam Type: Quick-On

### Features

-   Designed for your fuel system maintenance
-   Made from quality materials to survive the test of time
-   Manufactured in compliance with the highest safety standards
-   Built to meet or exceed your expectations

### Product Details

Light Blue Quick-On Fuel Cap Tester Adapter by MotoRad®. This product is designed and manufactured to help you keep the fuel system of your vehicle in mint condition. It will make fuel system maintenance easier and more convenient, saving your time and protecting you from unplanned expenses. It will help you find the problem quickly, and fix it as soon as possible.

Brand: MotoRad

Part Number: 12421S

UPC: 055644925318

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1997-2005

Buick

Century

1998-2005

Buick

Le Sabre

1998-2005

Cadillac

Deville

1997-2005

Chevy

Astro

1996-2005

Chevy

Blazer

1998-2002

Chevy

Camaro

1997-2005

Chevy

Cavalier

1997-2004

Chevy

Corvette

2000-2005

Chevy

Impala

1997-2003

Chevy

Malibu

1996-2005

Chevy

S-10 Pickup

2007

Chevy

S10

2002-2004

Chevy

Trailblazer

1996-2005

GMC

Jimmy

1996-2004

GMC

Sonoma

1998-2002

Pontiac

Firebird

1998-2002

Saturn

S-Series

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the Vehicle Fitment Table above before purchase.

**What part number is this?**  
The listed part number is 12421S.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match the compatible vehicle applications listed in the fitment table.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering.

### Common Searches

-   Light Blue Quick-On Fuel Cap Tester Adapter for Buick Century
-   12421S fitment
-   MotoRad Light Blue Quick-On Fuel Cap Tester Adapter
-   1997 Buick Century Light Blue Quick-On Fuel Cap Tester Adapter

## Details

- **Price:** 33.99 CAD
- **Vendor:** MotoRad
- **Type:** Light Blue Quick-On Fuel Cap Tester Adapter
- **Tags:** 12421S, 1996-2004 GMC Sonoma, 1996-2005 Chevy Blazer, 1996-2005 Chevy S-10 Pickup, 1996-2005 GMC Jimmy, 1997-2003 Chevy Malibu, 1997-2004 Chevy Corvette, 1997-2005 Buick Century, 1997-2005 Chevy Astro, 1997-2005 Chevy Cavalier, 1998-2002 Chevy Camaro, 1998-2002 Pontiac Firebird, 1998-2002 Saturn S-Series, 1998-2005 Buick Le Sabre, 1998-2005 Cadillac Deville, 2000-2005 Chevy Impala, 2002-2004 Chevy Trailblazer, 2007 Chevy S10, Automotive, Light Blue Quick-On Fuel Cap Tester Adapter, MotoRad

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 33.99 CAD | In stock |

## Images

- MotoRad 12421S Light Blue Quick-On Fuel Cap Tester Adapter for 1996-2007 Buick Century

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/motorad-12421s-light-blue-quick-on-fuel-cap-tester-adapter)
> Updated: 2026-08-17