51161 & 50735 Hydro Gear Lip Seal for Hydro-Gear MTD Cub Cadet Troy Bilt Bolens Craftsman White Outdoors BDA BDP-10A PE PG PJ PK Series Pumps | JLM Marine

Hydro Gear Lip Seal – Replaces 51161 & 50735 for MTD Cub Cadet Troy Bilt Bolens Craftsman White Outdoors

This Hydro Gear Lip Seal is designed to fit BDA, BDP-10A, PE, PG, PJ, and PK Series Pumps. It is compatible with equipment from Hydro-Gear, MTD, Cub Cadet, MTD Pro, Troy Bilt, Bolens, Craftsman, and White Outdoors, ensuring reliable performance across a wide range of lawn and garden machinery.

This seal directly replaces Hydro Gear part numbers 51161 and 50735, providing a precision fit and dependable sealing for your hydraulic pump system.

• Size: 17 x 40 x 7 mm
• Fits multiple Hydro Gear pump series for broad compatibility
• Direct OE replacement for improved sealing performance

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your equipment model/series in the list below.

Technical Specifications

Package Contents

• 1 x Seal

Installation Guide

1. Ensure the hydraulic pump is clean and free of debris before beginning installation.
2. Carefully remove the old lip seal from the pump housing using a seal removal tool or flat-head screwdriver. Avoid scratching the sealing surface.
3. Clean the seal bore thoroughly with a lint-free cloth and inspect for damage or wear.
4. Lightly lubricate the new seal's outer edge and sealing lip with hydraulic oil or compatible lubricant.
5. Position the new seal with the lip facing inward (toward the fluid side). Gently press it into place using a seal driver or socket of appropriate diameter.
6. Ensure the seal is seated evenly and flush with the housing surface.
7. Reassemble the pump components according to the manufacturer's service manual.
8. Refill the hydraulic system with the correct fluid type and quantity.
9. Start the equipment and check for leaks around the seal area during initial operation.

Troubleshooting & FAQ

Q: How do I confirm this seal fits my Hydro Gear pump?
A: Check your pump model number against the compatible series listed (BDA, BDP-10A, PE, PG, PJ, PK). You can also verify by comparing the seal dimensions (17 x 40 x 7 mm) with your original part.

Q: What are the signs that my lip seal needs replacement?
A: Common symptoms include hydraulic fluid leaks around the pump shaft, reduced system pressure, sluggish performance, or visible wear and cracking on the seal itself.

Q: How often should I replace the lip seal?
A: Replace the seal whenever you notice leaks or during routine pump maintenance. Typical service intervals vary by usage, but inspect annually or every 200–300 operating hours.

Q: Can I install this seal without special tools?
A: While it's possible, using a proper seal driver or appropriately sized socket ensures even installation and prevents damage to the seal or housing.

Q: Is this an OEM part or aftermarket?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.