2Pcs Diesel Fuel Cap for Peterbilt - 4" Aluminum Non-Locking Fuel Tank Cap for 1972-2017 Peterbilt 330 335 337 348 357 365 367 377 379 382 384 386 388 389 567 579 587 (Non Locking Fuel Cap)

2-Pack 4" Aluminum Non-Locking Diesel Fuel Caps for Peterbilt Trucks – Replaces 11-04859-100, 11-04859-200, 572.1015, 600212 Upgrade your Peterbilt with the toughest, best-fitting 4-inch diesel fuel caps on the market. Precision die-cast aluminum construction delivers OE-level sealing and 3X the strength of cheap plastic caps — no more leaks, no more fuel smell in the cab, no more lost caps on the side of the highway. Perfect Direct Fit for Virtually Every Peterbilt Ever Built 330 (1995-2010) 335 (1995-2010) 337 (2011-2016) 340 (2007-2011) 348 (2011-2016) 352 (1975-1980) 357 (1987-2007) 359 (1972-1987) 362 (1981-2000) 365 (2007-2017) 367 (2007-2017) 375 (1989-1995) 377 (1988-2000) 377 SBA (1987-2000) 378 (1987-2007) 379 (all years including 119BBC/127BBC 1987-2007) 384 (2008-2015) 385 (2000-2007) 386 (2006-2016) 387 (1999-2010) 388 (2008-2014) 389 (2008-Current including Glider) 567 SBA/SFA (2014-2016) 579 (2013-2016) 587 (2011-2016) …and dozens more classic & late-model Peterbilt trucks! Everything You Need in One Box 2 × 4" Non-Locking Aluminum Diesel Fuel Caps 2 × High-Temp Rubber Sealing O-Rings (pre-installed) 2 × 13" Stainless Anti-Loss Safety Chains with quick-connect clips 30-Second Tool-Free Install Hand-tighten only — built-in grip wings + pre-lubed threads mean you can swap both sides faster than your coffee cools down. No wrenches, no busted knuckles, no dropped tools in the mud. Built for Real Truckers Vented pressure relief prevents vacuum lock Die-cast aluminum shrugs off road salt, fuel, and -40°F winters 500,000+ mile proven durability Buy with Total Confidence 12-month/Unlimited Mileage Warranty + lifetime fitment support. Message us with your VIN anytime — we’ll verify fit and ship replacements before you even send the old ones back. Stop overpaying at the dealer. Click “Add to Cart” now and get back on the road in minutes!

• ✅ PERFECT FIT FOR PETERBILT 1972-2017 – Fits 330, 335, 337, 348, 357, 365, 367, 377, 379, 384, 386, 388, 389, 567, 579, 587 & more – Direct replacement for 4" fuel filler neck, installs in 30 seconds with zero leaks
• ✅ REPLACES 11-04859-100, 11-04859-200, 572.1015, 600212 – Exact OE-spec aluminum diesel fuel cap pair (2pcs), no more running to the dealer for $150+ each – Save big and get back on the road fast
• ✅ DIE-CAST ALUMINUM + VENTED PRESSURE RELIEF – 3X stronger than cheap plastic caps, 100% leak-proof seal even at -40°F to 180°F – Built to survive 500,000+ miles of real trucking, no more fuel smell in the cab
• ✅ COMPLETE KIT IN ONE BOX – Includes 2 non-locking 4" caps + rubber O-rings + 13" anti-loss safety chains – Everything you need for driver & passenger side, no extra trips to the parts store
• ✅ 30-SECOND TOOL-FREE INSTALL – Hand-tighten only, no wrench needed, no more busted knuckles or dropped tools in the mud – Comes with pre-lubed threads & built-in grip wings, swap both sides before your coffee gets cold