NATIONAL 4528N Manual Transmission Shaft Seal

( Brand: National ), ( Manufacturer Part Number: 4528N ), ( Part Type: Seal Manual Transmission Shaft )

Review NATIONAL Manual Transmission Output Shaft Seal Fits Gmc fits C2500 1989–2000

National 4528 Manual Transmission Shaft Seal for 1989-2000 GMC C2500

The National 4528 Manual Transmission Shaft Seal is an essential component designed to prevent the leakage of transmission fluid in vehicles with a manual transmission system. This seal is specifically engineered for use in GMC C2500 pickups manufactured between the years 1989 and 2000.

This shaft seal boasts a robust, high-quality design that ensures reliable performance even under heavy-duty conditions. The seal features an advanced elastomeric material that offers excellent resistance to wear, tear, and the damaging effects of transmission fluid. As a result, it provides a tight seal, preventing fluid leaks that could potentially lead to costly repairs and downtime.

Installation of the National 4528 Manual Transmission Shaft Seal is a straightforward process. The seal comes as a complete assembly, including the shaft collar and seal ring, allowing for a quick and easy replacement. The design also ensures a precise fit, minimizing the need for any modifications during installation.

The National 4528 Manual Transmission Shaft Seal is an OEM-quality replacement part that is designed to meet or exceed the original equipment specifications. This ensures that it will provide the same level of performance and durability as the factory-installed seal. By choosing this seal, you can enjoy peace of mind knowing that your GMC C2500's manual transmission system is protected from costly leaks and potential damage.

In summary, the National 4528 Manual Transmission Shaft Seal for 1989-2000 GMC C2500 is a high-quality, reliable, and easy-to-install replacement part that is specifically engineered to prevent transmission fluid leaks in your vehicle. Its advanced elastomeric material offers excellent resistance to wear and tear, ensuring a tight seal and reliable performance even under heavy-duty conditions.

Buying a manual transmission shaft seal for a 1989-2000 GMC C2500 (National 4528N) involves weighing its potential benefits against the costs and considerations. Here are some pros and cons to help you make an informed decision.

1. Improved Sealing: A new shaft seal can prevent transmission fluid leakage, which is essential for maintaining proper transmission function and performance.

2. Cost-Effective: Compared to major transmission repairs or replacements, buying a seal is a more affordable solution for addressing transmission issues.

3. DIY Friendly: Installing a new shaft seal is generally an accessible DIY project, saving labor costs.

4. Long-Term Savings: By addressing transmission leaks promptly, you can save on repair or replacement costs that may escalate if the issue is left unchecked.

1. Potential for Multiple Leaks: If there are multiple leaks, replacing one seal might not solve the entire issue and could lead to ongoing expenses.

2. Time and Effort: Installing a new seal requires removing the transmission pan, which can be a time-consuming and labor-intensive process.

3. Possibility of Hidden Damage: A transmission leak could be a symptom of underlying transmission damage, so there's a risk that additional repairs or replacement might be necessary.

The decision to buy a manual transmission shaft seal (National 4528N) for a 1989-2000 GMC C2500 depends on your vehicle's specific condition, your budget, and your willingness to invest time and effort into the repair. If the leak is the only issue, replacing the seal is a cost-effective and prudent choice. However, if multiple leaks or hidden damages are suspected, it might be worth considering more extensive transmission repairs or a replacement. Ultimately, consulting a professional mechanic for an evaluation can provide valuable insights into the most appropriate course of action.

If the vehicle's transmission issue appears to be limited to a single leak and you're comfortable with the time and effort involved, purchasing and installing a new manual transmission shaft seal (National 4528N) is a reasonable option. If there are concerns about multiple leaks or hidden damages, it's recommended to consult a professional mechanic for an expert diagnosis and potential solutions.

Details:

1988 1998 Chevrolet C1500. 1988 1990 Chevrolet C3500. Warranty: This item is covered by our manufacturer warranty against defects in materials and workmanship. Ships via USPS Parcel or FedEx Home Delivery.

Manual Transmission Output Shaft Seal Fits 1989 2000 GMC C2500 4528N: Validate This Part Your Vehicle: 1996 2005 Chevrolet Blazer. 1988 1997 Chevrolet C2500. Check compatibility above. Parts that have been modified, altered, or improperly installed are excluded from coverage.

Verify exact fit by year/make/ model and options engine, trim, etc. Quality OEM and aftermarket parts. Part Type Manual Transmission Output Shaft Seal.

part #: 4528n prices

• $9.80-$16.53

specifications manutransmission:

• for models: C2500
• for makes: Gmc
• for years: 1989-2000
• brand: National
• mpn: 4528n
• part type: Seal Manual Transmission Shaft

returns manutransmission:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

offer manutransmission:

• availability: In Stock
• started: May 17, 2026
• quantity: 5
• sold: 0
• options: Ship-to-home

seller manutransmission:

• rating: 50.0%
• # reviews: 0
• city: Dallas, Texas

shipping manutransmission:

• type: Fixed
• transit: 4-9 Days
• service: USPS Ground Advantage, FedEx Ground / FedEx Home Delivery
• carrier: USPS, FedEx
• class: Standard
• cost: $0.00

general manutransmission:

• condition: New
• Car Truck Parts Accessories > Transmission Drivetrain > Manual Transmission Parts

payments manutransmission:

• wallet: Paypal
• credit card: Visa
• other

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