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2008-2023 · 16 model years

Peterbilt 337 Problems by year

Owners have filed 3 complaints about the Peterbilt 337 across 16 model years, and it has 22 recalls. The 2014 has the most complaints once its age is allowed for (1). The most reported problem area is the electrical system, followed by the engine & cooling.

Share your 337 experienceCompare years22 recalls
Most complaints for its age20141 complaint · 6 recallsSee the 2014
Complaints
3
Recalls
22
Crashes
0
Fires
0
Injuries
0
Deaths
0

337 complaints by model year

Highlighted: the year with the most complaints for its age. Older vehicles have had more time to collect complaints - the Safety Index grade allows for that.

YearComplaintsRecallsCrashesFiresTop problemGrade
20230200-C
20220200-C
20210200-B
20200300-C
20190500-C
20180400-C
20170300-B
20162500Electrical systemC
20150600-C
20141600BrakesC
20130500-C
20120700-D
20110700-D
20100500-C
20090200-A
20080200-A

Most common 337 problems

Peterbilt 337 recalls 22

Electronic stability control (ESC)

20V199000460,515 vehicles affected

PACCAR Incorporated (PACCAR) is recalling certain 2008-2019 Peterbilt 330, 335, 337, 340, 348, 365, 367, 384, 386, 387, 388, 389, 567, 579 and 587 vehicles and 2008-2020 Kenworth T170, T270, T370, T660, T680, T800, T880, and W900 vehicles equipped with NAMUX...

Covers2008 Peterbilt 3372009 Peterbilt 3372010 Peterbilt 3372011 Peterbilt 3372012 Peterbilt 3372013 Peterbilt 337+252 more

Tires

16V803000202 vehicles affected

PACCAR Incorporated (PACCAR) is recalling certain model year 2017 Kenworth K370, T270, T370, T440, T660, T800 trucks manufactured February 2, 2016, to October 13, 2016, and Peterbilt 330, 337, 348, 367, 389, 567, and 579 trucks manufactured March 7, 2016, to...

Covers2017 Peterbilt 337+12 more

Latest 337 complaints

2016 Peterbilt 337Other & unknown

When the engine gets warm the exhaust fills the cabin of the vehicle. It does not matter if the windows are up or down. This happens on this make of vehicle in the 2015, 2016, 2017 & 2018 models.

Filed Incident Unknown or otherNHTSA 11218429
2016 Peterbilt 337Electrical systemEngine & cooling

I haven't had me truck a year it speands more time in shop then on the road! It has numouse problems! Electrical to transmision blower fan went out, window regulater went out, numouse air leaks, suspention springs, air bag blown out, electical busing noise in dash, truck leans to the driverside, today it started smoking from underneith rear of truck, had it towed back to peterbuilt just got it back from air leaking down

Filed Incident Electrical system · Unknown or other · EngineNHTSA 10898015
2014 Peterbilt 337Brakes

Subject: discrepant tractor to trailer air hoses manufacture by phillip industries. Discrepancy: phillip industries air hoses assembled with non-permanently end fittings for emergency and service do not have a proper connection. Roadside inspections conducted at the port of entry at brownsville, texas and matamoros, tamaulipas, mexico has revealed that cmv equipped with air supply hoses identified by manufacture name phillip industries reference part number 11-312 are discrepant. The end fittings used to...

Read the full complaint

assemble the glad hand side and the permanent connection at the tractor protection valve have revealed that the brass fitting are improperly joined by sliding the hose end over brass end piece. The fmvss 571-106 (s7.1) Calls for construction of each air brake hose assembly to be equipped with permanently attached brake hose end fittings or reusable brake hose end fittings. Plus the north american standard out-service criteria handbook reference under section for brake hose/tubing states that; improperly joined such as a splice made by sliding the hose ends over a piece of tubing and clamping the hose to the tube. (393.45(A) is out of service condition. Note: photos available upon request. *Tr

Filed Incident Service brakes, air · Service brakesNHTSA 10595032

Questions about the Peterbilt 337

Which Peterbilt 337 years have the most problems?

By the number of complaints owners filed with NHTSA: 2016 (2), 2014 (1). Allowing for how long each has been on the road, the 2014 stands out most. Complaint counts also rise with sales, so compare years of the same model rather than different models.

Which Peterbilt 337 years have the fewest complaints?

Among model years that have been on the road for at least three years, 2008, 2009, 2017 have the best Safety Index - the fewest complaints, crashes and recalls for their age compared with other 337 years. Always check the exact vehicle's recalls by VIN before you buy.

What are the most common Peterbilt 337 problems?

Across every model year, owners report problems with the electrical system (1), engine & cooling (1), brakes (1) most often.

How many recalls does the Peterbilt 337 have?

NHTSA lists 22 recalls across all Peterbilt 337 model years. Each year's page lists the recalls for that year; check your own vehicle by VIN at nhtsa.gov/recalls to see whether the repair has been done.

Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data

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