ATP RO-28 Automatic Transmission Oil Pump Seal

The ATP RO-28 is a direct-replacement automatic transmission oil pump seal engineered to restore a leak-free connection at the front pump of the transmission. Manufactured by ATP Automotive, this seal is cross-referenced against OEM part numbers from General Motors, Suzuki, and Toyota, ensuring proper fit and function.

Key Features:

• Inner Diameter: 1.5625 inches
• Outer Diameter: 2.125 inches
• Width: 0.025 inches
• Compatible with multiple transmission families including the A343F, 03-72LE, and U140E
• Prevents transmission fluid leaks at the front pump housing
• Maintains correct hydraulic pressure for smooth, efficient transmission operation
• Direct OEM replacement for a precise, no-modification installation

OEM Cross-Reference Part Numbers:

• General Motors: 94840652, 96053884
• Suzuki: 2288182300
• Toyota: 9031138020

The ATP RO-28 oil pump seal is the reliable choice for technicians and DIY builders restoring or rebuilding automatic transmissions on a wide range of import and domestic vehicles.