This is a new, genuine BorgWarner B2 turbocharger, service number 10709880012 (turbo model B2-3067NRAKB0.70DK1). It replaces Perkins turbo 2674A237 on the Perkins 1106D 6.6L diesel, catalogued from December 2007 production on, in tractors, loaders and other off-highway equipment. It also carries Caterpillar numbers 315-4695 and 20R-3990.
Perkins used several different B2 turbos on the 1106D, so the Perkins number on the old turbo matters more than the engine model. One close relative is BorgWarner 10709880002 (Perkins 2674A256, Cat 315-9810), which is a separate part number. Find and fix the cause of the old turbo’s failure (oil supply, oil drain, air filtration, foreign objects) before fitting the new one.
Confirm Fitment Before You Order
Match the Perkins number on your old turbo’s tag (2674A237), or send us the engine serial number. Other 1106D B2 turbos, such as 10709880002 (Perkins 2674A256), are separate parts. Call 530-668-0818 and we will confirm the exact match at no charge before anything ships.
Specifications
| Part number | 10709880012 |
| Brand | BorgWarner |
| Condition | New, genuine, in original packaging |
| Warranty | Manufacturer’s own warranty applies. Call us and we handle the claim. |
| Type | B2 Turbocharger |
| Turbo model | B2-3067NRAKB0.70DK1 (B2 frame) |
| BorgWarner service number | 10709880012 |
| BorgWarner production numbers | 10709700002, 10709700012 |
| Engine | Perkins 1106D, 6.6L diesel |
| Perkins number | 2674A237 |
| Caterpillar numbers | 315-4695, 20R-3990 |
| Catalogued from | December 2007 production |
| CHRA (core assembly) | BorgWarner 12707100001 |
| Shipping weight | 43 lb |
Fits / Applications
- Perkins 1106D 6.6L diesel engines built with turbo 2674A237 (catalogued from December 2007 on)
- Tractors, loaders and construction equipment powered by that Perkins 1106D
Part Numbers & Cross Reference
Perkins 2674A237 · Caterpillar 315-4695 · Caterpillar Reman 20R-3990 · BorgWarner production number 10709700002 · BorgWarner production number 10709700012
Cross-reference numbers can change with engine serial, build year and emissions tier, so treat this list as a starting point. Send us your engine serial number and we will confirm the exact match against your build before anything ships. That check is free and takes a few minutes.
Frequently Asked Questions
Which Perkins turbo does BorgWarner 10709880012 replace?
It replaces Perkins turbo 2674A237 on the Perkins 1106D 6.6L diesel, catalogued from December 2007 production on. It also carries Caterpillar numbers 315-4695 and 20R-3990.
Does 10709880012 fit every Perkins 1106D?
No. Perkins used several different B2 turbos on the 1106D, so the Perkins number on the old turbo matters more than the engine model. BorgWarner 10709880002 (Perkins 2674A256, Cat 315-9810) is a close relative but a separate part number.
How do I confirm this turbo against my 1106D before ordering?
Match Perkins 2674A237 on your old turbo’s tag, or send us the engine serial number. Call 530-668-0818 and we confirm the match at no charge before anything ships.
Is the 10709880012 a new turbo, and is there a core charge?
It is a new, genuine BorgWarner B2 turbocharger, turbo model B2-3067NRAKB0.70DK1. It is sold outright, with no core charge and nothing to send back.
Related Parts
Why Buy From Valley Fuel Injection
We are a diesel fuel-injection and turbocharger shop in Woodland, CA, rebuilding pumps, injectors and turbos on our own benches since 1993, not a drop-ship storefront. When you call, you talk to the people who test these units. Confirm fitment against your engine serial, VIN or build date before you order. Call us and we will help you match the right part.
UPS Ground anywhere in the lower 48. Questions on fitment? Call 530-668-0818.
Pricing covers the unit itself. Any applicable sales tax is additional; shipping is calculated at checkout. Buying tax-exempt? Qualifying diesel repair shops, fleets, farms, and agricultural operations can purchase tax-free. Set up tax-exempt purchasing once and every qualifying order is tax-free going forward.



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