Aisin A5L031 Automatic Transmission Oil Pump Assembly

The Aisin A5L031 is an OEM-quality automatic transmission oil pump assembly manufactured by Aisin Automotive Casting Tennessee, a trusted Tier 1 supplier to major automotive manufacturers. This transmission oil pump is responsible for circulating automatic transmission fluid (ATF) throughout the transmission to lubricate internal components, build hydraulic pressure for clutch engagement, and ensure smooth, reliable shifting performance.

Key Features:

• OEM-grade quality engineered to meet or exceed original factory specifications
• Precision-cast construction for optimal fluid flow and pressure consistency
• Direct-fit replacement for straightforward installation
• Manufactured by Aisin, a globally recognized OEM supplier of drivetrain and transmission components
• Designed to restore proper hydraulic pressure and transmission function

Aisin is one of the world's largest suppliers of automatic transmission components and is widely regarded for producing parts that match the quality of original equipment. The A5L031 oil pump assembly is an ideal replacement for worn or failing transmission pumps, helping to eliminate symptoms such as slipping, delayed engagement, or transmission overheating caused by insufficient fluid pressure.