---
product_id: 542264260
title: "Superior 3” Nominal Locking Diesel Fuel Cap for Select Models of Volvo Mack Low Sulfur Fuel Tanks"
brand: "road king truck parts"
price: "£43.37"
currency: GBP
in_stock: true
category: "Road King Truck Parts"
url: https://www.desertcart.co.uk/products/542264260-superior-3-nominal-locking-diesel-fuel-cap-for-select-models
store_origin: GB
region: United Kingdom
---

# Secure locking mechanism Precision 2 7/8” diameter fit Durable aluminum build Superior 3” Nominal Locking Diesel Fuel Cap for Select Models of Volvo Mack Low Sulfur Fuel Tanks

**Brand:** road king truck parts
**Price:** £43.37
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in your fuel’s safety with precision and style

## Quick Answers

- **What is this?** Superior 3” Nominal Locking Diesel Fuel Cap for Select Models of Volvo Mack Low Sulfur Fuel Tanks by road king truck parts
- **How much does it cost?** £43.37 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/542264260-superior-3-nominal-locking-diesel-fuel-cap-for-select-models)

## Best For

- road king truck parts enthusiasts

## Why This Product

- Trusted road king truck parts brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Complete sealing system:** Includes rubber gasket seal and safety chain to prevent leaks and loss
- • **Lock it down with confidence:** Robust locking design with 2 matching keys for ultimate fuel security
- • **Tailored fit for Volvo & Mack:** Precisely engineered 2 7/8” diameter to fit select 2010+ low sulfur diesel tanks
- • **Built to last, built to protect:** Lightweight yet tough aluminum exterior resists corrosion and wear
- • **Optimized for low sulfur diesel:** Non-vented cap designed specifically for ultra low sulfur fuel applications

## Overview

The Superior 3” Nominal Locking Diesel Fuel Cap by Road King Truck Parts is a precision-engineered, non-vented aluminum cap designed for select Volvo and Mack low sulfur diesel tanks (2010 and later). Featuring a secure locking mechanism with two matching keys, a durable rubber gasket seal, and safety chain, it ensures fuel security and leak prevention. Lightweight at 285g and measuring 2 7/8” across threads, this cap is optimized for ultra low sulfur diesel applications, combining reliability with a tailored fit.

## Description

PLEASE MEASURE THE DIAMETER OF YOUR FUEL TANK FILL TUBE PRIOR TO ORDERING! One 2 7/8” diameter, 8 UNNS, non-vented, locking aluminum diesel fuel cap. Fits select Volvo & Mack ultra low sulfur labeled or PNG tanks 2010 & later. Cap is not vented, fuel tank must be vented, for low sulfur diesel applications only. Supplied with 2 matching keys (keys are not available separately) Includes rubber gasket seal, safety chain, and bail Approximate dimensions = Across threads cap 2 7/8”

## Features

- PLEASE MEASURE THE DIAMETER OF YOUR FUEL TANK FILL TUBE PRIOR TO ORDERING!
- One 2 7/8” diameter, 8 UNNS, non-vented, locking aluminum diesel fuel cap.
- Fits select Volvo & Mack ultra low sulfur labeled or PNG tanks 2010 & later.
- Cap is not vented, fuel tank must be vented, for low sulfur diesel applications only.
- Supplied with 2 matching keys (keys are not available separately).Includes rubber gasket seal, safety chain, and bail.Approximate dimensions = Across threads cap 2 7/8”

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07NNRN5NY |
| Brand | Road King Truck Parts |
| Date First Available | 16 June 2023 |
| Exterior | Aluminum |
| Item Weight | 285 g |
| Item model number | LFCAP-MKVL |
| Manufacturer | Fasttech International Co., Ltd. |
| Manufacturer Part Number | LFCAP-MKVL |
| Product Dimensions | 7.62 x 7.62 x 3.81 cm; 285 g |

## Product Details

- **Brand:** Road King Truck Parts
- **Colour:** Natural
- **Exterior finish:** Aluminum
- **Item dimensions L x W x H:** 7.6 x 7.6 x 3.8 centimeters
- **Material:** Aluminum

## Images

![Superior 3” Nominal Locking Diesel Fuel Cap for Select Models of Volvo Mack Low Sulfur Fuel Tanks - Image 1](https://m.media-amazon.com/images/I/71037nDNCyL.jpg)

## Frequently Bought Together

- Road King Truck Parts 3” Nominal Locking Diesel Fuel Cap for Volvo VNL Series Low Sulfur Fuel Tanks
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**Shop now:** [https://www.desertcart.co.uk/products/542264260-superior-3-nominal-locking-diesel-fuel-cap-for-select-models](https://www.desertcart.co.uk/products/542264260-superior-3-nominal-locking-diesel-fuel-cap-for-select-models)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-17*