Locking Diesel Fuel Cap (2pcs), Compatible with Kenworth Peterbilt Freightliner Western Star Semi Truck, 3 1/2′-5.5 UNC-2B Diesel Gas Tank Cover, Replaces 572.1036, SNV431089 | Repair and Installation Guide

Name: Locking Diesel Fuel Cap (2pcs), Compatible with Kenworth Peterbilt Freightliner Western Star Semi Truck, 3 1/2'-5.5 UNC-2B Diesel Gas Tank Cover, Replaces 572.1036, SNV431089 | Repair and Installation Guide
SKU: C-B0DT1KP24Q
Price: 39.95 USD
Availability: InStock

$39.95

Rated 3 out of 5 based on 2 customer ratings

2 ratingsSource: Amazon

SKU: C-B0DT1KP24Q Category: Fuel Tank Caps

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About this item

【Replaces Part Number】- 572.1036, 5721036, SNV431089
【Truck Fitment】- The locking diesel fuel cap compatible with Kenworth after 1984, compatible with Freightliner before 1984, compatible with Peterbilt before 1980 and compatible with Western Star before 1983
【High-Performance Design】- This locking diesel fuel tank cap features an OEM design, crafted from premium aluminum alloy for exceptional wear resistance, rust prevention, and long-lasting durability. The built-in rubber gasket ensures a secure and stable fit, effectively preventing fuel leaks
【Fuel Tank Cap Size Compatibility】- Designed exclusively for semi-truck diesel tanks with a 3 1/2″ fuel filler neck and a specialized 5.5 TPI threaded tank opening. Please verify your tank dimensions before placing your order
【Installation Instructions】- Before installation, clean the area around the threads. Simply replace the old fuel tank cap with the new one and tighten it securely to prevent fuel leaks. If you have any questions, our expert support team is ready to assist you

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Description

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Product Description

Product Features

Replaces Part Number:

572.1036
5721036
SNV431089

Fitment:

Fits for Freightliner before 1984
Fits for Kenworth after 1984
Fits for Peterbilt before 1980
Fits for Western Star before 1983

Note:

To ensure proper fit, measure the diameter of your existing fuel cap or fuel tank fill tube before purchasing
Please make sure the replacement part number matches the part you are replacing.

Detailed Specifications of the Locking Fuel Cap

Materials: Aluminum
Exhaust: Ventilated

Made from high-strength aluminum alloy

Stainless steel security chain and retainer

Fitted with a tight-sealing rubber gasket

Each fuel cap comes with 2 matching keys

Product facts

Specifications

Canonical product: MP-US-B0DT1KP24Q
Source product ID: B0DT1KP24Q
Category: Exterior Accessories / Fuel Tank Caps
Available images: 8
Referenced part numbers: 572.1036

Vehicle information

Available fitment details

Listing compatibility notes

The built-in rubber gasket ensures a secure and stable fit, effectively preventing fuel leaks 【Fuel Tank Cap Size Compatibility】- Designed exclusively for semi-truck diesel tanks with a 3 1/2" fuel filler neck and a specialized 5.
1036 5721036 SNV431089 Fitment: Fits for Freightliner before 1984 Fits for Kenworth after 1984 Fits for Peterbilt before 1980 Fits for Western Star before 1983 Note: To ensure proper fit, measure the diameter of your existing fuel cap or fuel tank fill tube before purchasing Please make sure the replacement part number matches the part you are replacing.
Detailed Specifications of the Locking Fuel Cap Materials: Aluminum Exhaust: Ventilated Made from high-strength aluminum alloy Stainless steel security chain and retainer Fitted with a tight-sealing rubber gasket Each fuel cap comes with 2 matching keys

Fitment data is provided as a buying aid. Verify the listing against your vehicle and existing part before ordering.

Repair scenarios, installation, companion parts, and use outcomes

Buying guidance

Quick decision

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Repair scenario

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Installation notes

Use the listing instructions when present and follow the vehicle service procedure.
Professional installation may be appropriate when the repair requires special tools or calibration.

Companion parts

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Use the service procedure and the visible package contents to identify any additional parts or tools required.

Before you buy

Verify the referenced part number: 572.1036.
Compare the listing title, photos, package contents, and specifications with the part being replaced.
Confirm vehicle compatibility and installation requirements before ordering.

Customer feedback

Ratings and written reviews

3.0 / 5 2 source ratings

Source: Amazon. Imported marketplace feedback is shown for product research and is not a review of a purchase made on this website.

2 written reviews

5 stars 1

4 stars 0

3 stars 0

2 stars 0

1 star 1

2 reviews for Locking Diesel Fuel Cap (2pcs), Compatible with Kenworth Peterbilt Freightliner Western Star Semi Truck, 3 1/2′-5.5 UNC-2B Diesel Gas Tank Cover, Replaces 572.1036, SNV431089 | Repair and Installation Guide

Imported from AmazonSource context: Verified Purchase
Rated 5 out of 5

Yamid plazas – April 23, 2025

En buen estado
Imported from AmazonSource context: Verified Purchase
Rated 1 out of 5

Marvin Hill – June 2, 2025

JUNK you would be SUPER crazy to buy the junk. Does absolutely nothing. Does not belong on Amazon. By far the top worst product I’ve bought off Amazon in 10 years

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