Injection Pump Coupling 1157801920 1-15780192-0 Fits for Isuzu 6WG1 6WF1 Engine for Case CX700B CX800B for John Deere 450DLC 600CLC

Injection Pump Coupling 1157801920 1-15780192-0 – Replacement for Isuzu 6WG1 6WF1 Engine Case CX700B CX800B John Deere 450DLC 600CLC

Aftermarket injection pump coupling engineered for precise fuel injection timing and reliable engine performance across Isuzu 6WG1 and 6WF1 engine platforms and a wide range of heavy equipment applications. Precision-manufactured components ensure drop-in compatibility with correct fitment.

Technical Specifications

• Part Numbers: 1157801920, 1-15780192-0
• Condition: New, aftermarket replacement
• Function: Connects and drives the fuel injection pump in Isuzu 6WG1 and 6WF1 engine applications, maintaining precise injection timing and fuel delivery for optimal engine performance and efficiency across heavy equipment and commercial vehicle platforms

Equipment Compatibility

Note: Compatibility is provided for reference. Please verify against your part number before ordering.

Fits the Following Applications:

• Isuzu Engine: 6WG1, 6WF1
• Isuzu Truck: CYZ51, CXH, CXZ, CYH, CYJ, CYM, CYZ, EXD, EXR, EXY, EXZ, FV, FVR, FVZ, GV, GVR
• Isuzu Bus: LV123, LV150, LV152, LV423
• Case Excavator: CX700B, CX800B
• John Deere Excavator: 450DLC, 600CLC, 650DLC, 800C, 850DLC
• Doosan Excavator: DX490LC-3, DX490NLC-3, DX530LC-3, DX530NLC-3, DX700LC
• Hitachi Excavator: ZX1800K-3, ZX450-3, ZX450-3F, ZX450LC-3-DH, ZX450LC-3-M, ZX470H-3, ZX470H-3F, ZX470R-3, ZX470R-3F, ZX480LCK-3, ZX500LC-3, ZX500LC-3F, ZX520LCH-3, ZX520LCH-3F, ZX520LCR-3, ZX520LCR-3F, ZX650LC-3, ZX650LC-3-DH, ZX650LC-3-M, ZX670LCH-3, ZX850-3, ZX850-3F, ZX850LC-3-M, ZX870H-3, ZX870H-3F, ZX870R-3, ZX870R-3F

Why Choose This Injection Pump Coupling

The injection pump coupling is a critical drivetrain component in Isuzu 6WG1 and 6WF1 engine applications — it transmits rotational force to the fuel injection pump to maintain precise timing and consistent fuel delivery under continuous heavy-duty load cycles. A worn or failed coupling causes injection timing errors, rough running, power loss, and potential engine damage that disrupts job site productivity, fleet schedules, and commercial vehicle operations. This replacement unit delivers:

• Precise injection timing – Engineered to meet the dimensional, torque, and fitment specifications of Isuzu 6WG1 and 6WF1 engine injection pump drive systems
• Exact-fit installation – Direct replacement designed for drop-in compatibility without modification across all listed Case, John Deere, Doosan, Hitachi, and Isuzu applications
• Durable construction – Built to withstand the torsional loads and demanding duty requirements of heavy excavator, truck, and commercial vehicle operation
• Cost-effective solution – Aftermarket quality at a fraction of dealer pricing

Package Contents

• 1 × Injection Pump Coupling 1157801920

Essential for Isuzu 6WG1 and 6WF1 engine maintenance and injection pump coupling replacement across Case, John Deere, Doosan, Hitachi, and Isuzu applications. Keep your equipment delivering full performance and uninterrupted operation on every job site.