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 Fits for Isuzu 6WG1 6WF1 Engine for Case CX700B CX800B for John Deere 450DLC 600CLC is backordered and will ship as soon as it is back in stock.
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Powering 10,000+ Commercial Fleets
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One Year Warranty
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Easy 60-day Return
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Expert support & Fitment Guarantee
Description
Description
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.
1 Year Warranty
1 Year Warranty
Fab Heavy Parts is excited to offer a 12-month warranty on all new replacement/aftermarket parts starting from your original purchase date.
Enjoy peace of mind with Fab Heavy Parts!
For more warranty details, please check out our warranty policy.
Fast Delivery
Fast Delivery
Estimated delivery time 3-6 workdays
No Core Charge
No Core Charge
We don't have a core charge for any products.
Frequently Asked Questions
Shipping and Delivery
What countries do you ship to?
What countries do you ship to?
We can ship to these countries:
Indonesia, Japan, Malaysia, Philippines, Singapore, South Korea, Thailand, Vietnam
United States
Belgium, San Marino, Italy, Spain, Netherlands, France, Germany, Finland, Austria, Denmark, Ireland, Luxembourg, Monaco, Norway, Sweden, Switzerland, Portugal, Poland, Hungary, Canada, Estonia, Australia, Mexico, New Zealand, Bulgaria, Croatia, Cyprus, Czechia, Greece, Greenland, Iceland, Liechtenstein, Lithuania, Malta, Romania, Russia, Slovakia, Slovenia, Latvia, Turkey, United Kingdom
How long will it take to receive my order?
How long will it take to receive my order?
Estimated delivery time to USA: 3-6 workdays;
Estimated delivery time to Canada, Mexico: 4-7 workdays;
Estimated delivery time to Australia: 4-7 workdays;
Estimated delivery time to European countries: 4-7 workdays;
Estimated delivery time to Asian countries: 3-5 workdays.
Returns and Refunds
How do I return a product?
How do I return a product?
Our return policy lasts 60 days. If 60 days have gone by since the delivery, unfortunately, we can’t offer you a refund or exchange.
To be eligible for a return, your item must be unused, not installed, clean and in the same condition that you received it. Shrink wrapping must not be broken. It must also be in the original packaging.
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer.
Steps of Returning Products to Fab Heavy Parts
1. Request returns in seconds at our return portal.
2. Fill in the email address you left with the order & the order number to start the return. Note: a correct order number format starts with a # hashtag
3. Select the items you wish to return and choose the return reason and upload photos of the received package.
Then, Fab Heavy Parts receives your return request and starts to process your return request. We may contact you for more details.
Steps after the approval of your return request:
1. A Return label will be sent to you via email. Print out the return label, place it on the parcel, and take it to the drop-off point. Make sure you properly pack the product for return if it’s returnable.
2. A refund of the original purchase price will be issued.
Any questions about returning products, please feel free to contact us at info@fabheavy.com
How long will it take to receive my refund?
How long will it take to receive my refund?
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment within 3-10 business days.
Payment Methods
What kind of payment methods do you accept?
What kind of payment methods do you accept?
We accept all major credit cards, PayPal, Google Pay, Apply Pay, Shop Pay, debit cards.
If you prefer offline payment, please contact us to get our bank transfer details.
Taxes or duties
Will I receive customs/import duties?
Will I receive customs/import duties?
For orders shipping to the United States, our price includes the import fees. The receiver/buyer doesn't need to pay any extra customs taxes, or duties for their packages. For orders shipping to non-US countries, please check our policy here.
