1981 Peterbilt 348 3306 10.5 Caterpillar Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Caterpillar 3306 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 1981 Peterbilt 348? US Engine Production offers premium remanufactured Caterpillar 3306 long block engines that meet or exceed OEM specifications. Our remanufactured long blocks are completely disassembled, cleaned, inspected, and rebuilt using new components where necessary.
Every remanufactured diesel long block undergoes rigorous dynamometer testing to ensure optimal performance. With over 40 years of experience and a database of 473,000+ engines, we're America's trusted source for remanufactured long block engines.
Common Caterpillar 3306 Problems We Address
Our remanufacturing process specifically addresses these known issues with Caterpillar 3306 engines:
- Injector o-ring failures causing fuel leaks
- HEUI pump failures affecting fuel delivery
- Turbocharger wastegate issues
- Cylinder liner pitting from coolant contamination
- Oil cooler failures
- ECM sensor failures
Our technicians use updated components and improved techniques to prevent these common failures in your remanufactured engine.
Engine Specifications
Peterbilt Vehicle Compatibility
Caterpillar 3306 engines are commonly found in these Peterbilt vehicles:
- Model 579 highway trucks
- Model 389 classic trucks
- Model 567 vocational trucks
- Model 520 refuse trucks
- Model 348 medium-duty trucks
- Model 337 delivery trucks
What's Included With Your Remanufactured Long Block
Complete long block assembly with all new/remanufactured components
Core Components
- Remanufactured Engine Block
Cleaned, inspected, and machined to OEM specifications
- New Pistons & Rings
Premium quality pistons with new ring sets
- Reground Crankshaft
Precision ground to factory tolerances
- New Main Bearings
OEM-spec main bearings for proper clearance
- New Rod Bearings
Connecting rod bearings replaced
- New Camshaft
New or reground camshaft (where applicable)
Timing Components
- New Timing Chain/Belt
Complete timing set included
- New Timing Gears/Sprockets
All timing components replaced
- New Tensioners & Guides
Timing tensioners and guides included
Valvetrain
- New Lifters/Tappets
Hydraulic or solid lifters replaced
- Reconditioned Cylinder Head(s)
Heads resurfaced and pressure tested
- New Valve Seals
All valve stem seals replaced
Seals & Lubrication
- New Oil Pump
Oil pump replaced for proper lubrication
- New Gasket Set
Complete gasket set included
- New Front & Rear Seals
All main seals replaced
- New Freeze Plugs
Core plugs replaced
Frequently Asked Questions: 1981 Peterbilt 348 Caterpillar 3306 Remanufactured Engine
A remanufactured Caterpillar 3306 10.5L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 1981 Peterbilt 348. The exact price depends on the specific configuration, condition of your core return, and current availability. For an accurate, no-obligation quote on a Caterpillar 3306 remanufactured long block for your 1981 Peterbilt 348, call our engine specialists at (631) 991-7700 or request a quote online. We offer competitive pricing and fast delivery.
What Our Customers Say
Trusted by thousands of customers nationwide
"Was worried about buying a remanufactured engine but these guys made it easy. Engine runs like new and the warranty gives me peace of mind."
"Fast shipping and the engine was exactly as described. Installation went smoothly and it's been running great for 6 months now."
"Great experience from start to finish. The price was competitive and the quality exceeded my expectations. Will definitely buy again."
Warranty & Quality Assurance
Core Return Required: A refundable core deposit is required. We provide a prepaid shipping label for your old engine core return.
Call us for the best price on this Caterpillar 3306 remanufactured long block. Prices may vary based on configuration.
Email: [email protected]
Why US Engine Production?
- 40+ years of experience
- 473,000+ engines in database
- Nationwide shipping
- Expert technical support
- Quality guaranteed
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More Peterbilt 348 Engines
Other model years available for the Peterbilt 348
2017 Peterbilt 348
Cummins ISL-G 8.9L
2016 Peterbilt 348
PACCAR PX-9 8.9L
2014 Peterbilt 348
PACCAR PX-9 8.9L
2015 Peterbilt 348
PACCAR PX-9 8.9L
2018 Peterbilt 348
PACCAR PX-9 8.9L
2010 Peterbilt 348
PACCAR PX-8 8.3L
2012 Peterbilt 348
PACCAR PX-8 8.3L
1984 Peterbilt 348
Cummins L10 10.0L
Vehicles with Caterpillar 3306 Engine
This same engine is also available for these vehicles
1986 Peterbilt 310
3306 10.5L DIESEL
2000 Peterbilt 385
3306 10.5L DIESEL
1989 Freightliner FLD120
3306 10.5L DIESEL
1989 White/GMC WCA
3306 10.5L DIESEL
1987 Peterbilt 359
3306 10.5L DIESEL
1994 Peterbilt 379
3306 10.5L DIESEL
1987 Peterbilt 310
3306 10.5L DIESEL
1991 Freightliner FLC112
3306 10.5L DIESEL
More Peterbilt Engines
Browse other Peterbilt models with remanufactured engines
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Caterpillar 3306 10.5L
1994 Peterbilt 377
Caterpillar 3176 10.3L
2011 Peterbilt 384
Caterpillar C13 12.5L
1998 Peterbilt 378
Cummins M11 10.8L
2014 Peterbilt 382
PACCAR PX-9 8.9L
1983 Peterbilt 362
Detroit Diesel 8V-92 12.1L
2000 Peterbilt 378
Cummins M11 10.8L
1992 Peterbilt 357
Detroit Diesel Series 60 12.7L
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Explore other Caterpillar engine models we carry
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2009 Country Coach Motorhome Intrigue
Caterpillar C13 12.5L DIESEL
1995 Western Star 3800
Caterpillar 3306 10.5L DIESEL
2006 Western Star 4900FA
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1991 Western Star 4900
Caterpillar 3306 10.5L DIESEL
2006 GMC C6500 Topkick
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Buy Caterpillar 3306 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Caterpillar long block engines. Our 3306 remanufactured long blocks for Peterbilt vehicles include all new internal components including pistons, rings, bearings, timing components, and gaskets. Every long block is dyno tested and backed by our 1-year, unlimited mileage warranty. Whether you need a replacement long block engine for your 1981 Peterbilt 348or any other application, our team of experts is ready to help. Call us at (631) 991-7700 or email [email protected] for a free quote today.
PROPOSITION 65 WARNING
WARNING: Crude oil, gasoline, diesel fuel and other petroleum products can expose you to chemicals including toluene and benzene, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov
