3950639 3945703 3944680 3942090 3970391 4944887 4944670 3971393 4941323 3979744 Diesel Engine Connecting Rod For 6L ISLe 6L375 QSL8.9 QSL9

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 3950639 3945703 3944680 3942090 3970391 4944887 4944670 3971393 4941323 3979744 is engineered for maximum durability and precise fitment in 6L ISLe 6L375 QSL8.9 QSL9 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: 3950639 3945703 3944680 3942090 3970391 4944887 4944670 3971393 4941323 3979744

Condition: Brand New / High-Quality OEM / Aftermarket
Warranty: 6 Months / 1 Year
Engine Model: 6L ISLe 6L375 QSL8.9 QSL9 engines

Application:

ISLe6 (approx. 6.7L): Primarily used in light and medium-duty trucks, urban logistics vehicles, refrigerated trucks, and light passenger vehicles. Horsepower ranges from approximately 260–330, meeting China IV/China V emission standards, emphasizing fuel economy and adaptability to urban driving conditions.

QSL8.9 / QSL9 (i.e., ISL8.9 series, 8.9L): Used in heavy-duty truck, tractor, engineering vehicle, and passenger vehicle chassis. Horsepower ranges from 310–380, meeting China III to China V standards (QSL is the older "Quiet Series," ISL is the newer "Interact Series"). High torque (1500–1550 N·m) suitable for mountainous areas, heavy loads, and frequent start-stop operations.

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.