312937 S1B Turbocharger Core for VALMET 420DWI & 420DWRE
312937 S1B turbo core for VALMET 420DWI/420DWRE. Aftermarket replacement CHRA. Verify engine and application before ordering. Technical fitment support available.
Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .
The 312937 S1B turbocharger core is an aftermarket replacement CHRA designed for VALMET 420DWI and 420DWRE engine applications. This core assembly supports turbocharger rebuilds and replacement projects, with technical fitment support available to verify part number, engine code, and application details before ordering.
Key Specifications
- Part Number: 312937
- Product Type: Core (CHRA)
- Turbo Model: S1B
- Application Clues: VALMET 420DWI, VALMET 420DWRE, Challenger
- Gross Weight: 3 kg
- OEM Reference Numbers: Not supplied; verify against your specific engine documentation
This core assembly is an aftermarket replacement component for turbocharger rebuilds. Buyers should confirm the part number 312937 and S1B model designation against their existing turbocharger or engine specifications. The gross weight of 3 kg assists with logistics planning for B2B orders. No specific OEM reference numbers are listed in the current data, so reference checking with your vehicle's service manual is essential before purchase.
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- VALMET
- Challenger
- VALMET > 420DWI
- VALMET > 420DWRE
This S1B core is listed for VALMET 420DWI and 420DWRE engine applications, as well as Challenger reference paths. These application clues serve as initial fitment indicators for B2B buyers and repair shops. Because no OEM reference numbers are supplied in the current data, verify the part number 312937 against your specific engine documentation and existing turbocharger configuration. Confirm the turbine and compressor housing dimensions match your current setup before finalizing an order. Technical fitment support is available to assist with reference checking these application details.
Technical Notes
The S1B core assembly is a fixed-geometry turbocharger component. Typical configurations for this model class may include a standard bearing housing and turbine/compressor wheel set; verify the specific internal configuration against your existing unit. Since no OEM reference numbers are supplied, cross-reference part number 312937 with your engine documentation. Confirm the turbine inlet and compressor outlet dimensions match your current setup. Check oil feed line restrictor requirements for your specific VALMET 420DWI or 420DWRE application. Technical fitment support is available to assist with these verification steps.
B2B Supply
LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for the 312937 S1B core. Technical fitment support is available to assist with reference checking part numbers and engine applications. Verify the specific VALMET 420DWI or 420DWRE application details before finalizing orders. Inquire about bulk order terms and logistics options for fleet or rebuild projects.
Product FAQ
VALMET and other product, brand and model names are the property of their respective owners and are used for reference and application-lookup only. LeadTurbo is not affiliated with or endorsed by VALMET.
Compatibility Verify part number 312937, engine code, vehicle application, and production year before ordering. Confirm OEM reference numbers and turbo configuration for VALMET 420DWI or 420DWRE applications.
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Complete Turbo Units
Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.
CHRA / Core Assemblies
Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.
Turbine Wheels & Shafts
Precision-balanced turbine shafts engineered from inside out for superior durability.
Turbine Housings
Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.
Compressor Housings
OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.
Bearing Housings
Rock-solid platform engineered for high-output rebuilds — the foundation for performance.
Compressor Wheels
Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.
