BPS Caterpillar C7 & 3126 OE Turbo - Stock Replacement

C7 & 3126 Reliability Restored: BPS OE Stock Turbo – Truckers’ Proven Workhorse for Cat Mid-Range Power

The ALL-NEW BPS Heavy Diesel Truck Turbochargers are finally here! These highly anticipated units are made in our facilities with precision. We have been developing these for some time now, and it's finally here.  We back our turbochargers with a 1-year unlimited-mile warranty.

This is the premium OE stock replacement turbo for your Caterpillar 3126 (1995-2003) and C7 (2003-2007) engines. Built as a direct-fit replacement, it delivers the smooth boost, fast spool-up, and bulletproof reliability that owner-operators and fleets expect from these legendary mid-range Cats — without the lag, shaft play, or failures common in worn factory units.

Whether you're running a dump truck, bus, RV, or work truck, this turbo keeps your Cat 7.2L engine efficient, responsive, and earning mile after grueling mile. No modifications needed — bolt it on and get back to work.

Key Features

• Precision Construction: Built in our facility with premium materials for unmatched quality and durability in high-vibration, extreme-heat diesel environments.
• Wastegate Integration: Precise boost control optimized for Cat 3126 and C7 applications — better efficiency and power without overboost issues.
• 1-Year Unlimited Mile Warranty: Full coverage with zero mileage limits — peace of mind for the long haul.
• Direct OE Fit for Cat 3126 (1995-2003) & C7 (2003-2007): True stock replacement designed for hassle-free installation on Caterpillar 7.2L engines. Fits common applications on Freightliner, International, Peterbilt, Kenworth, and many other platforms that use these engines.

Compatibility Note: Direct OE-style replacement for Caterpillar 3126 (1995-2003) and C7 (2003-2007) engines. Always confirm fitment with your engine serial number or current turbo part number, as multiple calibrations exist. 

Cross References (Part Numbers) – Verified from Manufacturer-Aligned Sources

Most commonly referenced OEM numbers for Cat 3126 (1995-2003) & C7 (2003-2007):

Caterpillar:

• 177-0440 / 0R-7979 / 671126-0 (matches stamping on unit in photos)
• 10R1795 (very common for C7 & late 3126E)
• 237-5272 / 237-5270 / 238-5057
• 1955995 / 0R9865
• 178482 / 0433535 / 1080030R

Other frequent references:

• 10R3280 (some overlap with early C7)
• 170-070-0252 / 170-070-1688 series

If unsure of fitment, provide your engine serial number or the part number on your current turbo for 100% confirmation. BPS Diesel can cross-reference instantly.