---
product_id: 181443271
title: "Diesel Fuel Cap for Dodge Ram, Aluminum Factory Combo Pack - Magnetic Diesel Fuel Cap & DEF Cap for RAM 1500 2500 3500 Trucks (2013-2019)"
brand: "jojoy lux"
price: "A$37"
currency: AUD
in_stock: true
reviews_count: 13
category: "Jojoy Lux"
url: https://www.desertcart.com.au/products/181443271-diesel-fuel-cap-for-dodge-ram-aluminum-factory-combo-pack
store_origin: AU
region: Australia
---

# CNC machined 6061-T6 aluminum for durability Upgraded neodymium magnet for secure hold Dual O-ring seal protects engine from contaminants Diesel Fuel Cap for Dodge Ram, Aluminum Factory Combo Pack - Magnetic Diesel Fuel Cap & DEF Cap for RAM 1500 2500 3500 Trucks (2013-2019)

**Brand:** jojoy lux
**Price:** A$37
**Availability:** ✅ In Stock

## Summary

> 🛻 Elevate your Ram’s fuel game with magnetic precision and rugged style!

## Quick Answers

- **What is this?** Diesel Fuel Cap for Dodge Ram, Aluminum Factory Combo Pack - Magnetic Diesel Fuel Cap & DEF Cap for RAM 1500 2500 3500 Trucks (2013-2019) by jojoy lux
- **How much does it cost?** A$37 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/181443271-diesel-fuel-cap-for-dodge-ram-aluminum-factory-combo-pack)

## Best For

- jojoy lux enthusiasts

## Why This Product

- Trusted jojoy lux brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Engine Armor:** Dual O-ring system seals tight to keep dirt, dust, and grime out—extend your diesel’s life.
- • **Built to Last:** Premium CNC-machined 6061-T6 aluminum construction outperforms fragile plastic OEM caps.
- • **Magnetic Mastery:** Strong neodymium magnet holds cap effortlessly during refueling—never fumble again.
- • **Plug & Play Upgrade:** Exact OEM size ensures hassle-free installation—upgrade your Ram’s fuel system in minutes.
- • **Color-Coded Convenience:** Distinct green diesel and blue DEF caps eliminate confusion and add a sleek, modern touch.

## Overview

This Diesel Fuel Cap combo pack for 2013-2019 Dodge Ram 1500, 2500, and 3500 trucks features a magnetic diesel cap and a blue DEF cap, both CNC-machined from lightweight 6061-T6 aluminum. Designed for trucks with capless fuel systems and compatible with Cummins and Eco-diesel 3.0L V6 engines, these caps offer superior durability, a secure dual O-ring seal, and a strong neodymium magnet for convenient handling during refueling. The color-coded design prevents mix-ups, while the exact OEM sizing guarantees easy installation and enhanced engine protection.

## Description

Product Details: Weight:122g Color: Green and Blue Material: Billet Aluminum Green cap size:50mm*20mm*36mm Blue cap size:36mm*36mm*22mm Why you should buy this pair of fuel tank caps? 1.Looking to do a better job of protecting your diesel engine from dirt, dust and grime while you are out there traveling or working 2.Metal fuel cap is more textured than the original plastic fuel cap 3.The life cycle period of metal fuel cap is long than plastic fuel cap 4.The color is different between metal fuel cap and fuel interface of the car, so you won't confusion with gasoline cap and lubricant cap 5.the magnetic fuel cap can easily adsorbed on the fuel tank when you refueling or checking the fuel tank, and the color is brilliant, you can find them easily 6.you can modify your car simply to enjoy the auto refitting culture 7.This product is the same size with original, so you don't need to worry about the installation issue You may have serve trouble when you use old fuel cap 1.original fuel cap is plastic, the tightness become weakened as time has passed, and the dust and other debris into the power system cause engine performance and service life become worse 2.Plastic fuel cap is lighter, you need use more force to seal during use, this is inconvenient for female

Review: Solid, better than OEM - Fit and look great
Review: Amazing! - Super easy install looks way better than stock. Way heavier duty than the flimsy orange plastic peice that came with the truck. The colors look great and add a really nice subtle touch. The DEF cap is also medal and heavy duty and fits perfectly. I would definitely recommend this.

## Features

- 【Application】Diesel Fuel Caps Used for 2013 -2019 Ram 1500 2500 3500 diesel trucks with a capless fuel system, Cummins and Eco-diesel vehicles with 3.0L V6 engines. and can work for other GM 3.0 Duramax Fuel system (This diesel cap can work well, but not OEM fit,and the DEF do not fit GM models, if you have GM,please buy the other one without the DEF cap: B0DCNKM1X5)
- 【Upgraded Magnetic】Neodymium magnet in bottom of fuel cap, and we have upgraded the magnet recently to make sure ours got the strongest magnetic connection . When refueling simply place the fuel cap against the steel fuel door and the magnet will conveniently hold it.
- 【High Quality】Both caps are CNC Machined made from 6061-T6 Light weight Aluminum, for longer-lasting durability and reliability over your stock plastic cap.
- 【Convenient】Easy installation to replace the old with our dual O-ring system caps to protect your diesel engine from dirt, dust and grime.
- 【Package】1*Magnetic Ram Diesel Fuel Cap Lid & 1* Blue DEF Cap for Dodge Ram Exhaust Fluid.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07T7GZFV4 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #3,869 in Automotive ( See Top 100 in Automotive ) #5 in Automotive Replacement Fuel Tank Caps |
| Brand | JOJOY LUX |
| Color | Diesel+DEF Cap for 2013-2019 Ram |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,699) |
| Date First Available | June 18, 2019 |
| Exterior Finish | Aluminum |
| Item Weight | 5.3 ounces |
| Item model number | J-Dodge TC |
| Manufacturer | JOJOY LUX |
| Manufacturer Part Number | J-Dodge-TC |
| Material | Aluminum |
| Model | Diesel cap for 2013-2018 Ram 1500 2500 3500 |
| Package Dimensions | 3.31 x 2.52 x 2.52 inches |
| Style | Modern |
| Vehicle Service Type | Truck |

## Product Details

- **Brand:** JOJOY LUX
- **Color:** Diesel+DEF Cap for 2013-2019 Ram
- **Exterior Finish:** Aluminum
- **Material:** Aluminum
- **Vehicle Service Type:** Truck

## Images

![Diesel Fuel Cap for Dodge Ram, Aluminum Factory Combo Pack - Magnetic Diesel Fuel Cap & DEF Cap for RAM 1500 2500 3500 Trucks (2013-2019) - Image 1](https://m.media-amazon.com/images/I/61XLyJFixWL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: Will this fit a 2011 freightliner m2 -106 bus with 6.7 Cummins?**
A: I am not sure but I didn’t know if it would fit my truck and it fit perfectly it should it just pushes in there it doesn’t twist on or anything but the def one twitch twists on a little bit I figured for 10 or 12 bucks how can you go wrong I love it I love opening up my fuel door in seeing it

**Q: How tight is the diesel cap?**
A: All I can say is tight enough to work good. In my opinion fits perfect.

**Q: Will this fit a 2021 ram 1500 ecodiesel?**
A: Don't know about 2021 ram,  but is fits my 2019 perfect.

**Q: Will these work on 2021 Cummins?**
A: Men worked on 2018 Ram 3500, don’t know why they wouldn’t work on 2021.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Solid, better than OEM
*by T***Y on January 7, 2026*

Fit and look great

### ⭐⭐⭐⭐⭐ Amazing!
*by D***J on September 1, 2025*

Super easy install looks way better than stock. Way heavier duty than the flimsy orange plastic peice that came with the truck. The colors look great and add a really nice subtle touch. The DEF cap is also medal and heavy duty and fits perfectly. I would definitely recommend this.

### ⭐⭐⭐⭐⭐ Good Replacement, Perfect Fit (2018 Ram 2500)
*by J***N on December 13, 2025*

Fits perfectly, good quality and came with an extra seal, thank you very much for the needed replacement; 2018 Ram 2500

## Frequently Bought Together

- Diesel Fuel Cap for Dodge Ram, Aluminum Factory Combo Pack - Magnetic Diesel Fuel Cap & DEF Cap for RAM 1500 2500 3500 Trucks (2013-2019)
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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-17*