3943979 3901573 3901567 3942581 3942579 3942581 3901568 3901569 3925232 4943979 4943978 Diesel Engine Connecting Rod For 6BT5.9 4BT3.9

Connecting rod (also called a con-rod) is a critical link between the piston and the crankshaft. Its primary function is to transmit the massive combustion force from the piston to the crankshaft, converting the reciprocating linear motion of the piston into the rotational motion of the crankshaft to deliver engine power. This connecting rod 3943979 3901573 3901567 3942581 3942579 3942581 3901568 3901569 3925232 4943979 4943978 is engineered for maximum durability and precise fitment in 6BT5.9 4BT3.9 engines. Manufactured to meet or exceed OEM standards, it ensures optimal engine performance and a long service life under heavy-duty conditions.

Whether for full engine rebuilds or quick replacements, DDP Engine provides you with the most reliable parts at unbeatable wholesale prices.

Parameter Details
Product Name: Connecting rod
Part Number: 3943979 3901573 3901567 3942581 3942579 3942581 3901568 3901569 3925232 4943979 4943978

Condition: Brand New / High-Quality OEM / Aftermarket
Warranty: 6 Months / 1 Year
Engine Model: 6BT5.9 4BT3.9 engines

Application:
6BT5.9 (6-cylinder, 5.9L): Primarily used in medium-duty loaders, bulldozers, road rollers, heavy-duty trucks, generator sets, and marine main engines (such as the 6BT5.9-M120 marine version), with a typical power range of 80–130 kW (approximately 110–180 hp).

4BT3.9 (4-cylinder, 3.9L): Commonly found in light construction machinery (mini excavators, forklifts), pickups/light trucks, agricultural machinery, and stationary power generation/pumping stations, with a typical power output of 50–70 kW (approximately 70–95 hp).

Why Choose DDP Engine:
100% Quality Guaranteed: All parts undergo rigorous testing to ensure perfect compatibility and premium performance.
Fast Worldwide Shipping: Large inventory in stock. Orders are typically processed within 3-7 working days with reliable global express and Transportation.
Professional Technical Support: Unsure about the part number? Contact our engineering team for exact cross-reference matching.
Flexible Solutions: Providing Genuine, OEM, and premium Aftermarket spare parts to fit your budget.