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4BT Connecting Rod 3901567 3901569 3942581 for Cummins
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PARTS DESCRIPTION
Product Overview
The connecting rod transfers combustion force from the piston to the crankshaft while guiding the piston through each engine cycle. The 4BT Connecting Rod is offered as a replacement solution for Cummins 4BT engine applications with reference number 3901567 / 3901569 / 3942581.
It is intended for professional engine repair, replacement, and rebuild work where correct application matching is more important than simply finding a visually similar part.
Product Information
- Product: Connecting Rod
- Engine Model: 4BT
- Part Number: 3901567 / 3901569 / 3942581
- Brand: ipartkits
- Compatible With: For Cummins 4BT Engine
Why This Part Matters
The small-end and big-end interfaces must match the piston pin, crankshaft journal, and bearing specification. Correct center distance and bearing fitment support smooth force transmission through the rotating assembly. A rod from a different engine version may have different bore sizes, bolt design, or bearing requirements even when the external shape looks similar.
Key Features
- Designed for compatible piston-to-crankshaft force transmission
- Big-end geometry intended for matching rod bearing installation
- Small-end fitment suited to the corresponding piston pin arrangement
- Suitable for professional engine repair and rebuild work
- Part number verification helps avoid visually similar mismatches
- Can be matched with related piston and bearing components
Fitment & Ordering Note
Connecting rods may differ by piston pin size, big-end dimensions, bolt type, and engine version. Confirm the part number and key measurements before purchase.
Related Engine Parts
Matching rod bearings, piston pins, pistons, connecting rod bushes, crankshafts, and rebuild parts are available.
Why Choose
supplies diesel engine replacement and rebuild parts for customers worldwide. Our team supports engine model and part number verification before shipment, with MOQ 1 available for many items, worldwide shipping, and a 24-month warranty policy for applicable products.
Need Help Confirming Fitment?
Send us the engine model, OEM number, or clear photos of the part, and our team will help check the correct replacement before ordering.