---
product_id: 5673946
title: "GM Genuine Parts GT330 (20915842) Fuel Tank Filler Cap"
brand: "gm genuine parts"
price: "188.85 DT"
currency: TND
in_stock: true
reviews_count: 8
category: "Gm Genuine Parts"
url: https://www.desertcart.tn/products/5673946-gm-genuine-parts-gt330-20915842-fuel-tank-filler-cap
store_origin: TN
region: Tunisia
---

# Prevents fuel loss Liquid-tight seal Reduces vapor emissions GM Genuine Parts GT330 (20915842) Fuel Tank Filler Cap

**Brand:** gm genuine parts
**Price:** 188.85 DT
**Availability:** ✅ In Stock

## Summary

> ⛽ Lock in efficiency, seal out worries — the GM GT330 fuel cap your ride deserves!

## Quick Answers

- **What is this?** GM Genuine Parts GT330 (20915842) Fuel Tank Filler Cap by gm genuine parts
- **How much does it cost?** 188.85 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/5673946-gm-genuine-parts-gt330-20915842-fuel-tank-filler-cap)

## Best For

- gm genuine parts enthusiasts

## Why This Product

- Trusted gm genuine parts brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Eco-Friendly Seal:** Minimizes vapor emissions to support a greener drive
- • **Precision OEM Fit:** GM-recommended for perfect factory match and hassle-free installation
- • **Durable Metal Build:** Crafted from premium metal for long-lasting reliability and toughness
- • **Fuel Efficiency Booster:** Keeps fuel locked in, cutting down unnecessary gas station stops
- • **Trusted Quality Assurance:** Meets or exceeds GM’s strict quality standards with 24-month warranty

## Overview

The GM Genuine Parts GT330 Fuel Tank Filler Cap is a high-quality, metal twist-on cap designed to provide a secure, liquid-tight seal for GM vehicles. Engineered to reduce vapor emissions and prevent fuel loss, it ensures optimal fuel efficiency and environmental responsibility. This OEM-recommended replacement part guarantees a perfect fit, durability, and peace of mind backed by a 24-month warranty.

## Description

The ACDelco GM Original Equipment Regular Fuel Cap is a cap that seals your vehicle's fuel tank filler, and is a GM-recommended replacement for your vehicle’s original component. The fuel cap has a rubber gasket that provides a liquid-tight seal to keep fuel in and water and dirt out. The cap may have a check-valve that lets air in or out depending on the air pressure inside the tank. This original equipment regular fuel cap has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Review: Perfect OEM Replacement - This ACDelco GT330 fuel tank filler cap was exactly what I needed for my GM vehicle. It’s a genuine OEM part, so the fit is perfect and installation was quick and easy. The seal is tight, no more fuel smell or warning lights on the dash. Feels durable and well-made, just like the original. Highly recommend for anyone needing a reliable replacement fuel cap!
Review: Tighten the cap warning still happening - It fits, my GMC 2005 Yukons still tells me to tighten the cap at the start of each trip

## Features

- Provides a tight seal to keep your vehicle's fuel tank closed
- A sealed fuel tank reduces vapor emissions which helps the environment
- Prevents lost fuel in order to help reduce your trips to the gas station
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to meet or exceed strict quality requirements

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0049HKFIM |
| Best Sellers Rank | #15,745 in Automotive ( See Top 100 in Automotive ) #49 in Automotive Replacement Fuel Tank Caps |
| Brand | GM GENUINE PARTS |
| Brand Name | GM GENUINE PARTS |
| Closure Type | Twist-On |
| Color | Black |
| Compatible with Vehicle Type | Car |
| Customer Reviews | 4.6 out of 5 stars 2,662 Reviews |
| Exterior Finish | Machined |
| Global Trade Identification Number | 00707773687406 |
| Included Components | 20915842 |
| Item Dimensions | 12.7 x 3.9 x 2.7 inches |
| Item Type Name | CAP ASM-F/TNK FIL |
| Item dimensions L x W x H | 12.7 x 3.9 x 2.7 inches |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 20915842 |
| Manufacturer Warranty Description | 24 Month / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details. |
| Material | Metal |
| Material Type | Metal |
| Model Number | GT330 |
| Style Name | Modern |
| UPC | 707773687406 |
| Unit Count | 1.0 Count |
| Vehicle Service Type | Car |

## Product Details

- **Brand:** GM GENUINE PARTS
- **Color:** Black
- **Exterior Finish:** Machined
- **Item dimensions L x W x H:** 12.7 x 3.9 x 2.7 inches
- **Material:** Metal

## Images

![GM Genuine Parts GT330 (20915842) Fuel Tank Filler Cap - Image 1](https://m.media-amazon.com/images/I/518qSmDCnHL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect OEM Replacement
*by D***4 on August 30, 2025*

This ACDelco GT330 fuel tank filler cap was exactly what I needed for my GM vehicle. It’s a genuine OEM part, so the fit is perfect and installation was quick and easy. The seal is tight, no more fuel smell or warning lights on the dash. Feels durable and well-made, just like the original. Highly recommend for anyone needing a reliable replacement fuel cap!

### ⭐⭐⭐⭐⭐ Tighten the cap warning still happening
*by J***I on January 12, 2026*

It fits, my GMC 2005 Yukons still tells me to tighten the cap at the start of each trip

### ⭐⭐⭐⭐⭐ Works GREAT
*by S***E on January 16, 2026*

Worked great on my sons 2006 sierra z71 and the check engine went away.

## Frequently Bought Together

- ACDelco GM Original Equipment GT330 Fuel Tank Filler Cap , Black
- ACDelco GM Original Equipment 214-1105 Vapor Canister Purge Valve
- ACDelco Professional 214-2149 Vapor Canister Vent Solenoid

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**Shop now:** [https://www.desertcart.tn/products/5673946-gm-genuine-parts-gt330-20915842-fuel-tank-filler-cap](https://www.desertcart.tn/products/5673946-gm-genuine-parts-gt330-20915842-fuel-tank-filler-cap)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-02-05*