313275 S1B Turbocharger Core for Valtra BF75 & Deutz Engines

This 313275 S1B turbocharger core is an aftermarket replacement CHRA designed for Valtra BF75 and Deutz industrial engine applications. It serves as a reference application for buyers seeking a 313275 turbo replacement, with fitment to be verified against specific OEM reference numbers and engine codes before ordering.

Key Specifications

• Part Number: 313275
• Product Type: Turbocharger Core (CHRA)
• Turbo Model: S1B
• Gross Weight: 3 kg
• Packing Dimensions: 10 x 10 x 10 cm
• OEM Reference Count: 69 listed references
• Representative OEM References: 312878, 311612, 312114, 312436, 312470, 312490
• Application Clues: Valtra BF75, Deutz BF4L1011T, Deutz BF4M1012, Steyr WD311
• Visual Verification: High-resolution images show the compressor wheel, turbine wheel, central bearing housing, and mounting flange for visual inspection.

Application & Compatibility

Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:

• VALTRA > VALTRA TRAKTOR BF75 > VALMET 320DS
• DEUTZ > DEUTZ INDUSTRIAL > DEUTZ BF4L1011T
• DEUTZ > DEUTZ INDUSTRIAL > DEUTZ BF4M1012
• DEUTZ > DEUTZ MARINE > DEUTZ BF4L1011F BF4M1012
• DEUTZ > DEUTZ MARINE > DEUTZ BF4M1012EC 128HP
• DEUTZ > DEUTZ BF4M2011 COM2 87HP
• STEYR > STEYR TRACTOR > STEYR WD311

This S1B core is listed for Valtra Traktor BF75 and Valmet 320DS applications, as well as Deutz industrial and marine engines including BF4L1011T, BF4M1012, and Steyr WD311. These application paths serve as reference clues for fitment verification. Buyers should cross-check the part number 313275 against their specific engine code and one of the 69 associated OEM reference numbers, such as 312878 or 311612, before ordering. Verify the turbo configuration and engine layout to ensure the correct core assembly is selected for your specific unit.

Technical Notes

The S1B turbo model is a fixed-geometry design, distinct from variable-geometry units. This core assembly includes the compressor wheel, turbine wheel, and central bearing housing. Visible features include curved blades on both wheels and a threaded port on the bearing housing. The cylindrical housing features a cast texture and a flat circular mounting flange with a machined edge. A shaft nut is visible at the top of the assembly. Buyers should verify the bearing type and load capacity against their specific engine requirements. Confirm that the thrust bearing configuration matches the original unit to ensure stable operation. Cross-reference the visible mounting flange dimensions with your existing housing before installation.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing and worldwide shipping for the 313275 S1B core. Technical fitment support is available to help verify engine codes, such as Deutz BF4L1011T, and OEM reference numbers before ordering. Inquire about bulk quantities for repair shops and distributors. All orders include pre-shipment inspection of the CHRA assembly.