Recall on record for this model family
- NHTSA 03V125000 — SUSPENSION:FRONT:HUB NHTSA recall: official notice
- NHTSA 08V099000 — SERVICE BRAKES, AIR:SLACK ADJUSTERS NHTSA recall: official notice
Verify the unit's serial number against the official notice before purchase.
Last verified against the primary source on Sep 11, 2026.
Documented failure points and real market prices for the Peterbilt 379, sourced and dated.
Confidence 0%7 observed comparables
As of Sep 5, 2026What can make the cheap machine expensive?
| Component | Severity | Documented repair cost |
|---|---|---|
| Cylinder head and block | high | not yet verified |
ISX15 injectors fail by sticking open or closed, a common spec option in Peterbilt 379 conventional trucks.
Cost not yet verifiedInjector copper sealing cups crack from heat cycling, leaking combustion gases past the injector seal.
Cost not yet verifiedPeterbilt 379s were heavily spec'd with Cat C15/C13/3406 engines; overheating these engines can crack heads or warp the block.
Cost not yet verifiedTurbo bearing damage on twin-turbo C15s is expensive to repair when warm-up procedures aren't followed.
Cost not yet verifiedON CERTAIN TRUCKS EQUIPPED WITH TRUCK HUB UNITS MANUFACTURED BY SKF EXCLUSIVELY FOR USE ON ARVINMERITOR'S FF98X SERIES NON-DRIVE STEER AXLES, THE HUB UNIT BEARINGS CAN WEAR PREMATURELY.
Common questions
How much does a used Peterbilt 379 cost?
Observed listings range roughly $39,995 to $79,950 depending on age, condition, and configuration (as of 2026-09-05).
What fails on the Peterbilt 379?
The most cited concerns in our evidence record: Cylinder head and block. See the risk breakdown above for details and sources.
Is the Peterbilt 379 under recall?
A safety recall exists for this model family. Verify the unit's serial number against the official notice linked on this page before buying.
Live listings on eBay
Live listings via the eBay Browse API. Links are affiliate-tracked and Big Rig Risk may earn a commission on qualifying purchases, at no cost to you.
From the research record
- FAILURE (2026-09-05, agent-fetched, Claude spot-verified sample): Fuel Injectors (Cummins ISX15, common Pete 379 spec): "ISX15 fuel injectors fail in two ways: they stick open (causing white smoke and rough idle) or stick closed (causing misfires and power loss)." https://skylinerrepaircenter.com/blog/cummins-isx15-engine-problems-a-mechanic-s-perspective
- FAILURE (2026-09-05, agent-fetched, Claude spot-verified sample): Injector cups and solenoids (Cummins ISX family): "The copper cups that seal the injector to the cylinder head crack from heat cycling, allowing combustion gases to leak past." https://skylinerrepaircenter.com/blog/injector-problems-in-cummins-isx-engines-complete-guide
- FAILURE (2026-09-05, agent-fetched, Claude spot-verified sample): Cylinder head/block (legacy Caterpillar C15/C13, common Pete 379 spec): "Overheating a Cat C15 or C13 can crack cylinder heads or warp the block - repairs cost $15,000-$25,000." https://skylinerrepaircenter.com/blog/caterpillar-truck-engines-legacy-maintenance-guide
- FAILURE (2026-09-05, agent-fetched, Claude spot-verified sample): Turbocharger (legacy Caterpillar twin-turbo C15): "Turbo bearing damage costs $3,000-$5,000 to repair without proper warm-up procedures and maintenance." https://skylinerrepaircenter.com/blog/caterpillar-truck-engines-legacy-maintenance-guide
- MARKET (7 real exact-model listings, 2026-09-05): low $39,995 / median $55,900 / high $79,950. 7 of 13 real listed units shown as a representative spread (full inventory range $39,995-$79,950, 160k-2.86M miles).
- RECALL (03V125000, SUSPENSION:FRONT:HUB): ON CERTAIN TRUCKS EQUIPPED WITH TRUCK HUB UNITS MANUFACTURED BY SKF EXCLUSIVELY FOR USE ON ARVINMERITOR'S FF98X SERIES NON-DRIVE STEER AXLES, THE HUB UNIT BEARINGS CAN WEAR PREMATURELY.
- RECALL (08V099000, SERVICE BRAKES, AIR:SLACK ADJUSTERS): PACCAR IS RECALLING 130 MY 2005-2007 KENWORTH C500, T800, W900, AND PETERBILT MODELS 357 AND 379 TRACTOR TRAILERS EQUIPPED WITH FABCO SLACK ADJUSTERS ON SISU AXLES. THE SLACK ADJUSTERS MAY FAIL AS A RESULT OF A FATIGUE CRACK RENDERING THE SLACK ADJUSTER INOPERATIVE. THIS COULD REDUCE BRAKING EF...
Sources
- skylinerrepaircenter.com (failure evidence)repair-industry · verified · accessed 2026-09-05
- skylinerrepaircenter.com (failure evidence)repair-industry · verified · accessed 2026-09-05
- skylinerrepaircenter.com (failure evidence)repair-industry · verified · accessed 2026-09-05
- soarr.com dealer inventory (7 exact-model listings)dealer-inventory-aggregator · verified · accessed 2026-09-05
- NHTSA recall 03V125000 (SUSPENSION:FRONT:HUB)nhtsa-recall · verified-primary · accessed 2026-09-11
- NHTSA recall 08V099000 (SERVICE BRAKES, AIR:SLACK ADJUSTERS)nhtsa-recall · verified-primary · accessed 2026-09-11
Spot an error? Challenge this record
Found an out-of-date code section, a wrong verdict, or a better primary source? Tell us. Corrections that check out are applied, with the change shown in history. That is our standing policy.