S400 S475 171702 Turbo for Detroit Series 60 12.7L | New

S400 S475 171702 Turbocharger for Detroit Series 60 12.7L

S400, SX4, S475

The S400 / S475 / SX4 (171702) is a BorgWarner turbocharger for the Detroit Diesel Series 60 12.7L engine. This is the performance variant of the S400 family — it features a larger S475 compressor wheel compared to the standard S400 (171701), making it suitable for 475+ HP applications and turbo conversion kits. T6 twin-scroll turbine housing, 1.32 A/R. BorgWarner part 171702. Our S400/S475 ships new with all new components, dynamically balanced, with gaskets. We supply shops, performance builders, and distributors.

Turbo Model

S400SX475 / S400SX4 / S475 (BorgWarner, T6 twin-scroll, 1.32 A/R)

OEM / Interchange Numbers

171702

Application

Detroit Diesel Series 60 12.7L (475+ HP, performance / conversion kits)

Service & Support

1-Year Unlimited-Mileage Warranty
US Stock, Fast Dispatch
Bulk Orders Welcome
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FAQ

The 171702 has a larger S475 compressor wheel for higher airflow (475+ HP). The 171701 has a standard 71mm S400 wheel for 450-475 HP stock replacement. Same T6 1.32 A/R turbine housing, different compressor sizing.

Primary application is the Detroit Series 60 12.7L, but the 171702 is widely used in turbo conversions on Detroit 14L, Cummins ISX, and CAT engines. Verify mounting compatibility for your specific application.

The 171702 is used as both a stock replacement on higher-HP Series 60 engines and as a performance/conversion turbo. If you need a standard 450-475 HP replacement, the 171701 is the standard part.

Brand new, 100% new components, dynamically balanced. No core charge. One-year unlimited-mileage warranty.

Yes. US stock, volume pricing for shops, performance builders, and distributors.

S400/S475 for Detroit Series 60: The Performance Turbo

The 171702 is the higher-flow version of the BorgWarner S400 for the Detroit Series 60. Where the 171701 is the stock replacement at 450-475 HP, the 171702 with its S475 compressor wheel supports 475+ HP and is widely used in EGR delete kits, Detroit 14L conversions, and performance builds on Cummins, CAT, and other platforms.

171701 vs 171702 — which one?

Detail	171701	171702 (this page)
Compressor	S400 71mm (stock replacement)	S475 (larger wheel, higher flow)
HP	450-475 HP	475+ HP
Use case	Stock replacement	Performance, conversions, EGR delete kits
BW part #	171701	171702

If you are doing a stock replacement on a Series 60, the 171701 is the standard part. If you are building for higher HP or converting from another turbo setup, the 171702 is the performance choice.