---
product_id: 8751889
title: "SpinLock Locking Fuel Cap (non-vented)"
brand: "diesel keeper"
price: "NZ$0"
currency: NZD
in_stock: false
reviews_count: 4
url: https://www.desertcart.nz/products/8751889-spinlock-locking-fuel-cap-non-vented
store_origin: NZ
region: New Zealand
---

# Locking mechanism Patented tech Easy install SpinLock Locking Fuel Cap (non-vented)

**Brand:** diesel keeper
**Price:** NZ$0
**Availability:** ❌ Out of Stock

## Summary

> 🔑 Lock it down, fuel it up!

## Quick Answers

- **What is this?** SpinLock Locking Fuel Cap (non-vented) by diesel keeper
- **How much does it cost?** NZ$0 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/8751889-spinlock-locking-fuel-cap-non-vented)

## Best For

- diesel keeper enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from a hard non-ferrous alloy, this cap resists rust and corrosion for long-lasting durability.
- • **Universal Fit:** Designed to fit standard 2" fill necks on medium-duty box trucks like Isuzu.
- • **Secure Your Load:** Patented free-spinning technology ensures your fuel cap stays locked and secure.
- • **Leak-Proof Design:** Equipped with a rubber gasket to eliminate leaks, keeping your fuel where it belongs.
- • **Quick & Easy Installation:** Installs and removes in seconds, making fuel management a breeze.

## Overview

The SpinLock Locking Fuel Cap is engineered for medium-duty box trucks, featuring patented technology that spins when locked, ensuring security and ease of use. Made from a durable non-ferrous alloy, it prevents rust and corrosion, while a rubber gasket guarantees a leak-proof seal. Installation is quick and hassle-free, making it the perfect choice for professionals on the go.

## Description

This is a locking fuel cap to replace the cap on your truck. Helps prevent diesel theft.

## Features

- Fits standard 2" fill necks on medium duty box trucks like Isuzu
- Patented "free-spinning" technology - spins when locked!
- Made from hard non-ferrous alloy to prevent rusting
- Installs and removes in seconds
- Rubber gasket to eliminate leaks

## Images

![SpinLock Locking Fuel Cap (non-vented) - Image 1](https://m.media-amazon.com/images/I/71gFAyp4rUL.jpg)
![SpinLock Locking Fuel Cap (non-vented) - Image 2](https://m.media-amazon.com/images/I/61rnQW2WwVL.jpg)
![SpinLock Locking Fuel Cap (non-vented) - Image 3](https://m.media-amazon.com/images/I/713GLsDIi7L.jpg)

## Customer Reviews

### ⭐ 







  
  
    $60 wasted; will be replacing asap
  

*by G***S on Reviewed in the United States 🇺🇸 on March 9, 2018*

Leaking Chinese junk; 1 star for fitting the threads. $60 wasted; will be replacing asap.

### ⭐⭐⭐⭐⭐ 







  
  
    finally a made in china product better than the home land brand
  

*by J***R on Reviewed in the United States 🇺🇸 on October 30, 2014*

MUST BUY. this product pay for it self. finally a made in china product better than the home land brand. i just brought a international 4300, and had been lose half tank to a gas thief. been trying different brand through amazon and dealer, none works. was just going to give it a shot, and it over my expectation. product like this need to be notify, and i'm so happy with it that i'm willing to spend my time writing this review.

### ⭐⭐⭐⭐⭐ 







  
  
    this SpinLock works like a charm
  

*by M***E on Reviewed in the United States 🇺🇸 on October 7, 2014*

It took some modification for my application to work. Once modified, this SpinLock works like a charm.

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**Shop now:** [https://www.desertcart.nz/products/8751889-spinlock-locking-fuel-cap-non-vented](https://www.desertcart.nz/products/8751889-spinlock-locking-fuel-cap-non-vented)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-05-06*