5257364 4989163 4989162 4943977 4943979 3971210 Diesel Engine Connecting Rod For ISF3.8 QSF3.8

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 5257364 4989163 4989162 4943977 4943979 3971210 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: 5257364 4989163 4989162 4943977 4943979 3971210

Condition: Brand New / High-Quality OEM / Aftermarket
Warranty: 6 Months / 1 Year
Engine Model: ISF3.8 QSF3.8 engines

Application:
ISF3.8 (Integrated Smart Family): Primarily used in light commercial vehicles, pickup trucks, light commercial vehicles, and some SUVs/MPVs; also used in small generator sets and engineering auxiliary equipment. Common power range: 107–168 hp (China III to China VI emission standards), typical model such as ISF3.8S5154 (154 hp).

QSF3.8 (Quik-Start Family): Designed specifically for non-road mobile machinery (NRMM) and heavy-duty special equipment, such as 10–17 ton excavators, 4–10 ton forklifts, road rollers, aerial work platforms, air compressors, etc.; emphasizing high torque, durability, and non-road emission standards (such as China Stage III), with typically higher rated power (up to 180–220 hp) and a more reinforced structure.

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.