53008 – Hydro-Gear Lip Seal 1.375" x 2.062" x 0.25" (OEM-Spec)
The Hydro-Gear 53008 Lip Seal is a genuine OEM-spec hydraulic sealing component engineered to prevent fluid leakage and protect internal transmission assemblies from contamination. Designed with precise dimensions of 1.375" inner diameter x 2.062" outer diameter x 0.25" width, this lip seal is commonly used in Hydro-Gear hydrostatic transaxles and pump systems found on commercial and residential turf equipment. Built to Hydro-Gear’s exact specifications, the 53008 seal ensures dependable hydraulic pressure retention, smooth operation, and extended service life of drivetrain components.
Product Details
Manufacturer Part Number: 53008
Brand: Hydro-Gear (OEM-Spec)
Part Type: Lip Seal (Hydraulic Oil Seal)
Seal Dimensions: 1.375" ID x 2.062" OD x 0.25" Width
Function: Prevents hydraulic fluid leakage and seals rotating shafts
Application: Hydrostatic transmission and pump assemblies
Material: High-quality elastomer sealing lip with durable outer casing
OEM Status: Genuine Hydro-Gear replacement part
Function
Seals hydraulic fluid within Hydro-Gear transmission and pump housings
Prevents oil leaks around rotating shafts and internal drive components
Protects hydrostatic system from dirt, debris, and moisture intrusion
Maintains proper hydraulic pressure for smooth drive performance
Supports longer transmission life and reduced maintenance downtime
Compatible With
The Hydro-Gear 53008 Lip Seal is used in select Hydro-Gear hydrostatic drive systems, including:
Hydro-Gear transaxles and integrated hydrostatic transmissions
Commercial and residential zero-turn mower drivetrain assemblies
Equipment models specified in Hydro-Gear parts diagrams requiring seal part number 53008
Always confirm compatibility by checking your Hydro-Gear transmission model number and equipment parts manual before ordering.
How It’s Used
This lip seal installs inside the hydrostatic transmission housing to seal shaft openings:
Drain hydraulic fluid and clean the work area before servicing.
Disassemble the transmission or access the seal location as required.
Carefully remove the worn seal without damaging the housing bore.
Inspect the shaft surface for wear or scoring.
Press the new Hydro-Gear 53008 lip seal evenly into place.
Reassemble components and refill with the correct hydraulic oil.
Test operation to ensure leak-free performance.
Proper installation is critical for maintaining hydraulic integrity and preventing premature transmission wear.
Suggested Maintenance
Inspect transmission seals periodically for seepage or fluid buildup
Replace seals at the first sign of leakage to prevent oil loss
Keep hydraulic fluid clean and at proper levels
Avoid contamination during installation by working in a clean environment
Use only OEM-spec Hydro-Gear seals for correct fit and long-lasting performance
The Hydro-Gear 53008 Lip Seal (1.375" x 2.062" x 0.25") is a dependable OEM-spec replacement designed to provide leak-free hydraulic sealing, protect transmission components, and ensure long-term performance in compatible Hydro-Gear hydrostatic drive systems.



