1104859200 4in Locking Diesel Fuel Cap for Peterbilt 1972 2017 330 587 Trucks 2x

Product Overview

Secure your diesel fuel tank with this locking diesel fuel cap designed for heavy-duty Peterbilt trucks. The locking diesel fuel cap prevents theft and unauthorized access while maintaining a tight seal to keep out contaminants. This locking diesel fuel cap is an essential component for fleet operators and owner-operators who prioritize fuel security on 1972 to 2017 Peterbilt 330-587 series models.

Key Features & Performance

• Locking design with keyed cylinder deters fuel theft and vandalism
• 4-inch diameter cap fits standard diesel fuel filler necks on heavy-duty trucks
• Sturdy metal construction resists corrosion, impacts, and extreme weather
• Vented design relieves pressure build-up while preventing fuel evaporation
• Includes two keys per cap for driver and spare key management
• Quick thread-on installation – no tools required

Fitment & Compatibility

• 1972–2017 Peterbilt 330
• Peterbilt 335
• Peterbilt 340
• Peterbilt 348
• Peterbilt 357
• Peterbilt 362
• Peterbilt 377
• Peterbilt 378
• Peterbilt 379
• Peterbilt 384
• Peterbilt 385
• Peterbilt 386
• Peterbilt 387
• Peterbilt 388
• Peterbilt 389
• Peterbilt 567
• Peterbilt 579
• Peterbilt 587

Common Uses

• Replacing lost, damaged, or non-locking fuel caps on diesel Peterbilts
• Preventing fuel theft at truck stops, terminals, and job sites
• Long-haul fleets securing valuable diesel fuel across the country
• Construction and agricultural truck applications where equipment sits unattended
• Restoring proper fuel system sealing for emission compliance testing

Technical Specifications

• Part Number(s): 11-04859-200
• Cap Diameter: 4 inches
• Cap Type: Locking diesel fuel cap
• Vehicle Compatibility: 1972–2017 Peterbilt 330–587 series

Frequently Asked Questions

Q: Does this cap come with spare keys? A: Yes, each locking fuel cap includes two matching keys.

Q: Is this cap vented? A: No, this diesel fuel cap is non-vented to meet modern emission standards and prevent fuel vapor loss.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.