Home > Caterpillar Parts > Turbocharger
BigParts Part Number: 40-30354
Engine: Caterpillar C13 Low Pressure
Model Number: GT4702B
OEM Cross Reference Numbers: 0R2027, 10R2027, 10R-2027, 2395581, 239-5581, 2395583, 239-5583, 500\496, 500\498, 500\546, 500496, 500498, 500546, 70000010325, 7000-001-0325, 7432790001, 743279-0001, 7432790003, 743279-0003, 7432790004, 743279-0004, 7432790006, 743279-0006, 7432795001, 743279-5001, 7432795003, 743279-5003, 7432795004, 743279-5004, 7432795004S, 743279-5004S, 7432795006, 743279-5006, 7432799001, 743279-9001, 7432799003, 743279-9003
BigParts Part Number: 40-30539
Engine: Caterpillar C15 Acert
Model Number: GTA4294
OEM Cross Reference Numbers: 0R2407, 10R1887, 10R-1887, 10R2407, 10R-2407, 11A7176, 11-A-7176, 127TC21201000, 2298828, 229-8828, 2298829, 229-8829, 2331589, 233-1589, 2331592, 233-1592, 2331596, 233-1596, 2514818, 251-4818, 2514819, 251-4819, 2514820, 251-4820, 2N606, 2N-606, 2T606, 2T-606, 381208, 500\487, 500487, 5080046, 5080046R, 70000010309B, 7000-001-0309B, 7411540004, 741154-0004, 7411540005, 741154-0005, 7411540006, 741154-0006, 7411540009, 741154-0009, 7411540010, 741154-0010, 7411540011, 741154-0011, 7411545004, 741154-5004, 7411545004S, 741154-5004S, 7411545005, 741154-5005, 7411545005S, 741154-5005S, 7411545006, 741154-5006, 7411545006S, 741154-5006S, 7411545009, 741154-5009, 7411545009S, 741154-5009S, 7411545010, 741154-5010, 7411545010S, 741154-5010S, 7411545011, 741154-5011, 7411545011S, 741154-5011S, 7411549004, 741154-9004, 7411549005, 741154-9005, 7411549006, 741154-9006, 7411549009, 741154-9009, 7411549010, 741154-9010, 7411549011, 741154-9011, 7411549011S, 741154-9011S
BigParts Part Number: 40-30241
Engine: Caterpillar C15 Acert
Model Number: GTA5518B
OEM Cross Reference Numbers: 2289942, 228-9942, 2316616, 231-6616, 2321805, 232-1805, 2321811, 232-1811, 381209, 500\488, 500\542, 500488, 500542, 70000010320, 7000-001-0320, 7411550001, 741155-0001, 7411550002, 741155-0002, 7411550003, 741155-0003, 7411550004, 741155-0004, 7411555001, 741155-5001, 7411555002, 741155-5002, 7411555003, 741155-5003, 7411555003S, 741155-5003S, 7411555004, 741155-5004, 7411559001, 741155-9001, 7411559002, 741155-9002, 7411559003, 741155-9003, 7411559003S, 741155-9003S, 7411559004, 741155-9004
BigParts Part Number: 40-31243
Engine: Caterpillar C15 78mm -132AR
Model Number: S400
OEM Cross Reference Numbers: 14969700000, 1496-970-0000, 14969880000, 1496-988-0000
BigParts Part Number: 40-30361
Engine: 1998 - 2001 CAT C16 3406E, 3456
Model Number: S410G/GT5008BS
OEM Cross Reference Numbers: 159-8542 0R-7275 0R7275 161-6352 0R-7285 0R7285 196-5952 0R-7924 0R7924 471147-0007 705152-0003 705152-0007 471147-5007 705152-5003 705152-5007 471147-9007 705152-9003 705152-9007
BigParts Part Number: 40-39358
Engine: 600-900HP,15L diesel,1.58A/R
C15, C16, Most 3406E
Model Number: S410SX
OEM Cross Reference Numbers: 14969880001, 1700702404
BigParts Part Number: 40-30360
Engine: 1996-07 Caterpillar Truck with 3406E Engine
1998-04 Caterpillar with 3406E Engine
Model Number: S410
OEM Cross Reference Numbers: 174269
BigParts Part Number: 40-30240
Engine: 1994-01 Caterpillar Industrial with 3456 Engine
1994-01 Caterpillar Truck with 3406C, 3406E Engine
Model Number: S410G / GT5008BS
OEM Cross Reference Numbers: 174260
BigParts Part Number: 40-30271
Engine: 1994-07 Caterpillar Engine Truck 3406E, 3406C, C16 Engine 14.64L, 14640 ccm
Model Number: S410G
OEM Cross Reference Numbers: 0R7310, 0R7923, 1080004R, 160-6201, 1606201, 167-9271, 1679271, 177148, 177148R, 196-5951, 1965951, 477148, 0R7152, 0R6989, 0R7203, 0R7223, 0R6986, 0R7201, 0R7299, 166-6752, 141-8937, 124-3032, 136-6390, 146-4328, 141-8939, 124-3035, 137-4832
When it comes to heavy-duty equipment, Caterpillar is one of the most trusted names in the industry. From construction to mining to marine engines, Caterpillar engines are designed to deliver power, torque, and efficiency. At the heart of many of these engines lies a critical component: the Caterpillar turbocharger.
Turbochargers maximize engine output by forcing additional compressed air into the combustion chamber. For Caterpillar equipment—whether it’s a bulldozer, excavator, loader, or generator—this means more horsepower, more fuel efficiency, and more productivity on the job site.
A turbocharger is a forced-induction system that uses exhaust gases to spin a turbine wheel, which drives a compressor wheel. The compressor pulls in more air and compresses it before it enters the combustion chamber.
On Caterpillar diesel engines, the turbocharger ensures optimal performance under high load conditions. By increasing air density in the cylinder, the engine can burn more fuel efficiently—producing higher power without increasing engine size.
- Improved horsepower and torque
- Increased fuel efficiency
- Lower emissions (when functioning properly)
- Extended engine life through better combustion
Caterpillar uses a wide range of turbochargers across its engines. Here are some popular models:
CAT C7 Turbocharger – Medium-duty trucks, loaders, and construction equipment.
CAT C9 Turbocharger – Excavators and generators.
CAT C15 Turbocharger – Heavy-duty on-highway trucks, mining equipment, marine engines.
CAT 3406 Turbocharger – Classic truck and industrial applications.
CAT 3512 & 3516 Turbochargers – Built for heavy industrial and marine output.
- Watch out for these warning signs:
- Excessive smoke from the exhaust (blue, black, or white)
- Loss of power or sluggish acceleration
- Whining or siren-like noise
- Excessive oil consumption or leaks near the turbo housing
- Check engine lights or diagnostic fault codes
Turbo failure can occur for several reasons, many of which are preventable:
Oil Contamination – Dirty or degraded oil damages bearings.
Lack of Lubrication – Blocked oil feed lines starve the turbo of oil.
Foreign Object Damage – Dirt or debris entering the compressor.
Excessive Heat – Over-fueling or clogged filters cause overheating.
Improper Installation – Not priming the turbo or leaving contaminants in lines.
OEM Turbochargers: Direct Caterpillar replacements, reliable but costly.
Aftermarket Turbochargers: Affordable, high-quality alternatives that match OEM fit and function.
Remanufactured Turbochargers: OEM housings rebuilt with new internals—a cost-effective and eco-friendly option.
- Change oil and filters at recommended intervals
- Prime a new turbo with clean oil before startup
- Inspect and replace air filters regularly
- Seal intake and exhaust connections properly
- Allow the engine to idle before shutdown to cool the turbo
Wide Selection: Caterpillar C7, C9, C15, 3406, and more
Guaranteed Fit: Direct-fit replacements for hassle-free installation
Tested Quality: Flow, pressure, and durability tested
Low Prices: Save up to 60% vs. dealer pricing
Fast Shipping: Same-day order processing
Expert Support: U.S.-based team ready to help
Caterpillar turbochargers are vital for powering the world’s toughest machines. From boosting horsepower and efficiency to reducing emissions, a healthy turbocharger is key to reliable performance.
Ready to Replace Your Caterpillar Turbocharger?
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