BORGWARNER 177102 S400 EXHAUST HOUSING — 83MM 0.90 A/R, T4 INLET

Product Description

BorgWarner 177102 S400 Exhaust Housing 83MM 0.90 A/R T4 Inlet

The BorgWarner 177102 S400 Exhaust Housing 83MM 0.90 A/R T4 Inlet is a genuine BorgWarner replacement turbine housing engineered for S400-series turbochargers utilizing an 83mm turbine wheel. Designed with a 0.90 A/R ratio and T4 inlet flange, this housing provides improved spool-up characteristics while maintaining excellent exhaust flow for high-performance diesel applications.

Commonly used in custom turbocharger builds, turbo upgrades, and replacement applications, the BorgWarner 177102 housing is ideal for enthusiasts looking to optimize turbo response and performance. Manufactured to BorgWarner standards, this turbine housing delivers the durability and fitment required for demanding street, towing, racing, and competition environments.

Features

• Genuine BorgWarner S400 turbine housing
• Designed for 83mm S400 turbine wheels
• 0.90 A/R turbine housing ratio
• T4 inlet flange configuration
• Durable high-temperature cast construction
• Improves turbocharger response and spool characteristics
• Excellent for performance diesel applications
• Direct replacement for compatible BorgWarner S400 turbochargers
• Suitable for custom turbocharger builds and upgrades
• Built to OEM BorgWarner specifications

Fitment

• BorgWarner S400 turbochargers utilizing 83mm turbine wheels
• Custom diesel performance applications
• 5.9L Cummins turbocharger upgrades
• 6.7L Cummins performance builds
• 6.6L Duramax custom turbo systems
• 6.0L Power Stroke performance applications
• 6.4L Power Stroke racing builds
• 6.7L Power Stroke custom turbocharger projects
• Street performance diesel applications
• Competition and racing turbocharger setups

Note: Verify turbine wheel size, inlet flange style, outlet configuration, and housing compatibility before ordering. This housing is intended for S400 turbochargers utilizing an 83mm turbine wheel.

What's Included

• BorgWarner 177102 S400 Exhaust Housing
• 0.90 A/R T4 Turbine Housing Assembly

Specifications

• Manufacturer: BorgWarner
• Part Number: 177102
• Product Type: Turbocharger Exhaust Housing
• Turbocharger Series: S400
• Turbine Wheel Compatibility: 83mm
• A/R Ratio: 0.90
• Inlet Flange: T4
• Material: High-Temperature Cast Iron
• Application: Performance Diesel Turbocharger Systems
• Primary Use: Turbocharger Replacement, Upgrade, or Custom Build

Cross Reference Numbers

177102, BorgWarner 177102, S400 Exhaust Housing, S400 83mm Housing, 0.90 A/R T4 Housing, BorgWarner S400 Turbine Housing

FAQ

What turbochargers is the BorgWarner 177102 housing designed for?

The BorgWarner 177102 is designed for S400-series turbochargers utilizing an 83mm turbine wheel. Always verify turbine wheel dimensions and housing compatibility before installation.

What does the 0.90 A/R ratio provide?

A 0.90 A/R turbine housing generally offers quicker spool-up and improved turbo response compared to larger A/R housings while still maintaining strong exhaust flow characteristics.

Is this a genuine BorgWarner exhaust housing?

Yes. The 177102 is a genuine BorgWarner turbine housing manufactured to OEM specifications for durability and performance.

Can this housing be used in custom turbocharger builds?

Yes. Many performance enthusiasts use BorgWarner S400 turbine housings in custom turbocharger configurations and upgrade projects.

Will this fit every S400 turbocharger?

No. Compatibility depends on turbine wheel size, housing dimensions, and turbocharger configuration. Always verify fitment before purchasing.

Is this suitable for racing applications?

Yes. The BorgWarner 177102 is commonly used in street performance, towing, drag racing, sled pulling, and other high-performance diesel applications.