When you need to repair or reseal a power steering gearbox, selecting the right seal kit is essential for longevity and performance. This guide highlights five compatible kits that are commonly used for pitman shaft seals and related components. The top picks are best for DIY homeowners, professional mechanics, and anyone replacing aging seals in mid- to late-model vehicles. Choose based on vehicle fit, kit contents, and compatibility with your steering gear type. The following table summarizes the five options and their primary strengths to help you compare quickly.
| Product | Best For | Notes |
|---|---|---|
| Sunsong 8401427 Steering Gear Pitman Shaft Seal Kit | General steering gear seal replacement | Vehicle-specific fit; 9.5-inch item length; quality components |
| Plews Steering Gear Input Shaft Seal Kit, 8525 | Input shaft seal replacement | Includes dense foam applicators; straightforward install |
| Sunsong 3170019 Power Steering Pressure Hose Seal Ring | Pressure line seal replacement | Gm-specific; rated for pressure seal |
| Plews Edelmann 8766 Power Steering Gear Box Pitman Shaft Seal Kit | OE-style pitman shaft seal kit | Premium quality; custom designed; OE replacements |
| Subaru WRX STi impreza Power Steering Gear Box Oil Seal Kit 34191VA000 Genuine | Genuine Subaru seal kit | Fits 2008-2011 Impreza; authentic OEM replacement |
Sunsong 8401427 Steering Gear Pitman Shaft Seal Kit
The Sunsong 8401427 kit targets the pitman shaft area of the steering gear, delivering essential seals for a reliable fix. It is a vehicle-specific fit and includes components designed to match the original setup. Best for owners replacing pitman shaft seals to prevent leaks and maintain steering feel. A potential limitation is that it focuses on a specific seal location, so confirm the seal type needed for your exact gearbox model.
Steering Gear Input Shaft Seal Kit, 8525
The Plews 8525 kit focuses on the input shaft seal, offering dense foam applicators to help minimize mess during application. This kit is well-suited for technicians replacing seals in the steering gear’s input area. Choose this if your service data indicates an input shaft seal leak, and avoid if your issue concerns other seals outside the input shaft region.
Sunsong 3170019 Power Steering Pressure Hose Seal Ring
This seal ring targets the power steering pressure hose connection, providing a dedicated seal for the pressure line. It’s particularly useful for preventing leaks at high-pressure connections in GM-specific configurations. If your leak is near the hose-to-gear contact, this is a strong choice. Limitations include potential misfit if your hose style differs from the GM-specific design.
Plews Edelmann 8766 Power Steering Gear Box Pitman Shaft Seal Kit
The Plews Edelmann 8766 kit emphasizes premium, OE-replacement components tailored for power steering gear boxes. It is designed for a precise fit and durable performance, ideal for owners seeking a kit that mirrors original factory parts. Better for those restoring original steering characteristics, and choose this if you want an OE-style seal experience. A possible limitation is that it may be overkill for simple leaks in non-Pitman areas.
Power Steering Gear Box Pitman Shaft Cover Gasket Seal Compatible for Jeep GMC Cadillac
This gasket seal kit covers a pitman shaft cover area, offering a gasket-only solution for sealing the gearbox cover. Best for users who need a single-gasket replacement rather than a full seal kit. Note that this kit provides a gasket only, so verify if your service requires additional seals beyond the cover gasket.
Power Steering Seals – Precision Fit Kit
The Power Steering Seals kit covers a wide range of seals for 1997-1999 Chevrolet and related models with Saginaw 700 steering gear. It includes seals, O-rings, and OEM-style parts for a comprehensive repair. Best for those working on classic GM trucks or SUVs that use this steering gear. A limitation is that it targets a broad application set; ensure exact compatibility with your vehicle’s model and year.
Buying Guide
What should you look for when choosing a power steering gear box seal kit?
- Vehicle compatibility: Confirm the kit matches your gear box model and year. Some kits are vehicle-specific while others are more general.
- Seal locations covered: If you know which seals are leaking (pitman shaft, input shaft, pressure hose, etc.), pick a kit that targets those seals.
- Contents and OE fit: Check whether the kit includes all necessary seals, O-rings, and OE-style components for proper fit and durability.
- Installation aids: Some kits include applicators or installation tools. This can reduce risk during seal installation.
- High-pressure considerations: For pressure hose seals, ensure the kit is rated for the current system’s pressures and is GM-specific if applicable.
Frequently Asked Questions
- What is a power steering gear box seal kit used for?
It provides replacement seals and gaskets to prevent leaks and restore proper steering pressure and feel.
- How do I know which seal kit to choose?
Identify the leaking area (pitman shaft, input shaft, pressure hose) and verify vehicle compatibility with the kit’s specs.
- Can I install a seal kit myself?
Yes, for many kits with basic tools. Some applications may require specialized tools or professional assistance for best results.
- Are OEM-style kits better?
OEM-style or OE-replacement kits often offer a precise fit and long-term reliability, which is beneficial for restoring factory performance.
- Do these kits include all needed parts?
Most kits provide a comprehensive set of seals and O-rings, but verify contents before purchasing to ensure you have everything required for your repair.
- What if my vehicle uses a different steering gear than the kit assumes?
Double-check compatibility with your exact gear model; using an incompatible kit can lead to leaks or improper sealing.