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318391 S3AS Turbocharger Repair Kit for CAT 3306 & MAN D2866 Engines

318391 S3AS turbocharger repair kit for CAT 3306, MAN D2866, and Komatsu applications. Includes seals and bearings. Verify OEM reference numbers 166137 or 313891 and engine model before ordering to ensure correct fitment.

Type Repair kit Part # 318391 Models S3AS Weight 0.50 kg Packing 30*20*4
Cross Reference 166137
Show more cross references 166137 313891
Part Number 318391 Product Type Repair kit Compatibility Verify part number 318391, turbo model S3AS, engine code, and OEM reference numbers (e.g., 166137, 313891) against your specific vehicle or machinery application before ordering. Fitment may vary by production year and turbo configuration.
US$ 20.00 / 1 pc(s)
Includes Canadian freight
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Subtotal: US$ 20.00

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12-Month Warranty Worldwide Shipping OEM-Grade Quality

This 318391 S3AS turbocharger repair kit serves as an aftermarket replacement for CAT 3306, MAN D2866, and Komatsu S6D125 engines. Designed to restore performance, it includes essential seals and bearings. Verify OEM reference numbers 166137 or 313891 and your specific engine model before ordering to ensure correct fitment.

Key Specifications

This S3AS turbocharger repair kit is identified by part number 318391. It serves as a replacement component for heavy-duty engine applications. The kit includes essential seals and bearings required for standard rebuilds. Representative OEM reference numbers 166137 and 313891 help confirm the correct unit. Always cross-check these references with your specific turbocharger tag. This ensures the parts match your bearing housing and shaft dimensions. Accurate identification prevents installation errors and downtime.

Application & Compatibility

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

  • CAT > CAT D6G 14G D6D > CAT 3306
  • JOHN-DEERE > JOHN-DEERE MARINE > JOHN-DEERE L6108A
  • KOMATSU > KOMATSU D65EX-12E > KOMATSU S6D125
  • LIEBHERR > LIEBHERR EARTH MOVER > LIEBHERR D916TI
  • LIEBHERR > LIEBHERR MOBILE CRANE > LIEBHERR D926TI
  • MAN > MAN F 2000 > MAN D2865LF01-06 D2865LF02 03 05 22
  • MAN > MAN TRUCK > MAN D2866LF
  • MAN > MAN TRUCK > MAN D2866LF06 D2866 LY D2866LF09 D2866LF10
  • MAN > MAN TRUCK > MAN D2866LF14
  • MAN > MAN D2866
  • MAN > MAN D2866LF04 LU01
  • RENAULT > RENAULT AE380 > RENAULT MIDR-063540 380HP
  • RENAULT > RENAULT R340TI > RENAULT MIDR062045 9840CC 6L 319HP
  • SCANIA > SCANIA TRUCK 113 > SCANIA DSC11 6L 1991 320HP
  • SCANIA > SCANIA TRUCK > SCANIA DS11
  • STEYR > STEYR TRUCK > STEYR WD615 63 64 65
  • WEICHAI > WEICHAI TRUCK > WEICHAI WD615 46

This 318391 S3AS repair kit is listed for replacement applications across multiple heavy-duty engine platforms. Buyers should verify fitment against specific vehicle and engine models before ordering. Representative application paths include:

  • CAT D6G, D6D, and 3306 engines
  • John Deere Marine L6108A
  • Komatsu D65EX-12E with S6D125 engine
  • Liebherr Earth Movers and Mobile Cranes
  • MAN Truck engines (D2865, D2866 series)
  • Renault AE380 and R340TI
  • Scania Truck 113 and DS11
  • Steyr Truck WD615
  • Weichai Truck WD615

Always confirm your turbocharger serial number and OEM reference codes to ensure the correct kit selection.

Technical Notes

The S3AS turbocharger repair kit includes essential seals and bearings for standard rebuilds. Verify that the included components match your specific bearing housing dimensions and shaft journals. Check the turbine end piston ring seal size against the original unit to ensure proper compression. Inspect the compressor end oil slinger design to confirm it aligns with your housing type. Confirm heat shield material and condition before installation. These steps help prevent leaks and ensure stable operation during the rebuild process.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing for the 318391 S3AS repair kit. Worldwide shipping is available for this 0.5 kg unit, packed in 30*20*4 cm cartons. Our technical team provides fitment support to help verify OEM references 166137 and 313891. Contact us to confirm application details for CAT, MAN, or Komatsu engines before ordering.

Product FAQ

This repair kit is commonly referenced by OEM numbers 166137 and 313891. Always verify these references against your specific turbocharger tag to confirm fitment.

Check the inner diameter of the turbine housing and the shaft journal dimensions against the kit's included seals. The S3AS model typically requires specific seal sizes that match the original turbo's bearing housing.

Inspect the compressor housing for the specific slinger type used in your S3AS turbo. Ensure the repair kit includes the correct slinger or that your existing one is reusable and undamaged.

Yes, this kit is listed for applications including CAT 3306 and MAN D2866 engines. However, you must confirm the exact turbo model and serial number on your unit to ensure compatibility.

CAT 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 CAT.

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Frequently Asked Questions

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Turbochargers

Complete Turbo Units

Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.

CHRA Core

CHRA / Core Assemblies

Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.

Turbine Wheel

Turbine Wheels & Shafts

Precision-balanced turbine shafts engineered from inside out for superior durability.

Turbine Housing

Turbine Housings

Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.

Compressor Housing

Compressor Housings

OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.

Bearing Housing

Bearing Housings

Rock-solid platform engineered for high-output rebuilds — the foundation for performance.

Compressor Wheels

Compressor Wheels

Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.