SKU: 90455386561

Engine Overhaul Kit 3804980 for Cummins 4B3.9 QSB4.5 CM850 CM2850

$282.26 $313.62
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Ships within 48 hours · Estimated delivery Sep 1 - Sep 6

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Description

Engine Overhaul Kit 3804980 for Cummins 4B3.9 QSB4.5 CM850 CM2850Replacement part number: 3804980 Fit For Cummins Engine: 4B3. 9, QSB4. 5 CM850, QSB4. 5 CM2850 Content: 1 Set of Overhaul Gasket Kit 1 Set Cylinder Liners,Semi finished product 1 Set Pistons,STD 1 Set Piston Pins 1 Set Snap Rings 4 Rod Bushings Set Rings For 4 Pistons,STD 1 Set of Main Con Rod Bearings 1 Set of Thrust Bearings 1 Set Intake Exhaust Valves 1 Set Intake Exhaust Valves Seats 1 Set Valve Guides

Replacement part number:

3804980
Fit For Cummins Engine: 4B3.9, QSB4.5 CM850, QSB4.5 CM2850

Content:


1 Set of Overhaul Gasket Kit
1 Set Cylinder Liners,Semi-finished product
1 Set Pistons,STD
1 Set Piston Pins
1 Set Snap Rings
4 Rod Bushings
Set Rings For 4 Pistons,STD
1 Set of Main / Con Rod Bearings
1 Set of Thrust Bearings
1 Set Intake / Exhaust Valves
1 Set Intake / Exhaust Valves Seats
1 Set Valve Guides
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 90455386561

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4.1 ★★★★★
Based on 28 reviews
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Verified Purchase
Jesus morales
Pawtucket, US
★★★★★ 5
Good fit
Works great and very affordable price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 30, 2025
B
Verified Purchase
Billy snead
Louisville, US
★★★★★ 4
Reasonably priced easy to install starter
Install starter went on pretty easy so far so had it on a few days now and it’s working.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 12, 2025
R
Verified Purchase
Ricky J. Umbarger
Dallas, US
★★★★★ 5
fits well
went into my sisters 05 ford focus fit well and took about 45 min. to install. also a very good price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 21, 2024
R
Verified Purchase
Robert Davis
Port Orchard, US
★★★★★ 5
Great deal
Works perfectly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 8, 2025
Y
Verified Purchase
Yuna Tampa Fl ✅
Louisville, US
★★★★★ 5
Feliz 🙂
Súper buena resolví mi problema
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026

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