9MG-D20D Articulated Dump Truck
6NG-D250D Articulated Dump Truck
1HD-AP-1000 Asphalt Paver
7HN-AP-1000B Asphalt Paver
AGP-AP-1000B Asphalt Paver
6ZN-AP-1050B Asphalt Paver
1JG-AP-1050 Asphalt Paver
8BM-AP-1055B Asphalt Paver
A3P-AP-1055B Asphalt Paver
ABB-AP-1055B Asphalt Paver
AGJ-AP-900B Asphalt Paver
AGL-BG-240C Asphalt Paver
6TN-BG-2455C Asphalt Paver
ACM-BG-2455C Asphalt Paver
B2G-BG-2455C Asphalt Paver
4XN-BG-245C Asphalt Paver
8GN-BG-260C Asphalt Paver
BYG-BG-260C Asphalt Paver
5BL-446B Backhoe Loader
6XF-446 Backhoe Loader
DBL-446D Backhoe Loader
8DN-35 Challenger
1DR-45 Challenger
7DM-55 Challenger
3HS-35 Challenger
8RD-35 Challenger
9DF-35 Challenger
ADK-35 Challenger
3BK-45 Challenger
4DZ-45 Challenger
4KW-45 Challenger
ABF-45 Challenger
3SM-55 Challenger
5DK-55 Challenger
6NN-55 Challenger
7TZ-55 Challenger
AEN-55 Challenger
9FW-460 Combine
3HZ-465 Combine
9TW-470 Combine
5JG-3114 Engine – Generator Set
6AF-3114 Engine – Generator Set
1NJ-3116 Engine – Gen
Caterpillar 7W-3978 Rocker Arm AS – OEM-Grade Durability and Precision for Heavy Equipment
The Caterpillar 7W-3978 Rocker Arm AS is a critical component engineered to deliver exceptional performance and reliability across a wide range of Caterpillar heavy machinery, including articulated dump trucks (models 9MG-D20D, 6NG-D250D), asphalt pavers (such as 1HD-AP-1000, 7HN-AP-1000B, AGP-AP-1000B), backhoe loaders (5BL-446B, 6XF-446), and Challenger series equipment (8DN-35, 1DR-45, 7DM-55). Manufactured to meet stringent OEM specifications, this rocker arm is crafted from high-strength alloy steel with precision metallurgy to withstand extreme load conditions and high-cycle fatigue common in heavy-duty drivetrain applications. Its robust design ensures optimal valve actuation, maintaining engine efficiency and prolonging component life under rigorous operational demands.
Technically, the 7W-3978 Rocker Arm AS features precision-machined contact surfaces and hardened pivot points to minimize wear and reduce friction, enhancing overall engine performance and fuel efficiency. The component’s dimensional accuracy supports seamless integration with Caterpillar’s valve train systems, ensuring consistent valve timing and improved combustion dynamics. This results in enhanced power output, reduced emissions, and lower maintenance costs. Ideal for use in diverse Caterpillar machinery, the rocker arm supports sustained operational uptime in challenging environments, making it an indispensable part for fleet operators seeking reliability and performance.
🔗 For detailed specifications and to purchase the genuine Caterpillar 7W-3978 Rocker Arm AS, visit the official product page at Caterpillar 7W-3978 Rocker Arm AS on AllParts Expert.
Optimize your heavy equipment’s engine performance with this OEM-quality rocker arm designed for durability, precision, and long service life. Keywords: Caterpillar rocker arm 7W-3978, heavy equipment spare parts, OEM rocker arm, Caterpillar valve train components, articulated dump truck parts, asphalt paver spare parts.
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