Turbocharger CHRA For Volvo XC90 XC60 1638-970-0015 31441451 1000-970-0178 B01V-R2S HB

Premium Twin-Stage Turbocharger CHRA Cartridge for Volvo D4 / D5 Drive-E Engines | B01V-R2S Architecture

Restore immediate boost response, eliminate low-RPM torque lag, and prevent internal oil blow-by into the intercooler with this premium Turbocharger CHRA (Center Housing Rotating Assembly) Cartridge. Specially engineered to handle the intense thermal loads and tight backpressures demanded by Volvo's advanced twin-turbocharged Drive-E diesel powerplants, this high-precision core replacement resolves severe forced-induction breakdown issues including high-pitched compressor whining, unburnt exhaust smoke, and excessive shaft play.

Belonging to the high-performance BorgWarner B01V-R2S / KP35-R2S twin-stage regulated compounding family, this replacement core is precision-machined to match production component index references 1638-970-0015, 1000-970-0178, 1000-970-0111, 1000-970-0150, 1000-970-0162, 1000-970-0218, 1000-970-0331, and 1638-970-0021. It aligns directly with genuine Volvo original equipment tracking references 31441451, 50689818, 31293653, 31431983, 31459963, and 31492976. Sourcing an isolated dynamic-balanced CHRA cartridge allows luxury specialty workshops and technicians to entirely refresh high-wear internal rotating elements while cleanly retaining the complex, expensive original compounding manifolds.

Detailed Luxury Vehicle & Engine Application Mapping

This premium twin-stage diesel core is custom-tailored to communicate seamlessly with Volvo's modern Drive-E SPA and P3 platform architectures:

• Volvo SUV Series: Fits XC60 (1st & 2nd Generation) and XC90 (2nd Generation).

• Volvo Sedan & Estate Series: Fits S60 (2nd & 3rd Gen), V60 (1st & 2nd Gen), and V90 (2nd Gen).

• Engine Suitability: Explicitly calibrated for the high-output Volvo 2.0L 4-Cylinder D4 (D4204T14) and D5 (D4204T11 / D4204T23) Drive-E Common Rail Twin-Turbo Diesel Engines configured for Euro 6 emissions guidelines.

Key Technical Specifications & Features

• Turbo Model Architecture: BorgWarner B01V-R2S / BV38 / KP35 Regulated Two-Stage (R2S) compounding twin-turbo setup.

• Part Cross-References: 1638-970-0015 | 1000-970-0178 | 1000-970-0111 | 1000-970-0150 | 1000-970-0162 | 1000-970-0218 | 1000-970-0331 | 1638-970-0021.

• Volvo OEM References: 31441451 | 50689818 | 31293653 | 31431983 | 31459963 | 31492976.

• VSR High-Speed Dynamic Balancing: The integrated rotor, shaft, and compressor wheel undergo dynamic balancing on computerized Vibration Sorting Rigs (VSR) at full operational limits to eliminate micro-vibrations, minimize luxury cabin harshness (NVH), and prevent early bearing degradation.

• High-Temperature Inconel Metallurgy: Features high-nickel alloy turbine wheels built to endure continuous high exhaust gas temperatures during active DPF regeneration cycles and sustained high-speed driving.

• Precision Fluid Control: High-grade thrust collar layouts and advanced journal bearing architecture ensure consistent oil film boundaries under continuous high-speed cruising.