fits model: Vn. make: Gmc. year: 1967–1974.

| Brand | NATIONAL |
|---|---|
| Manufacturer Part Number | SX-SEY7 |
| Placement On Vehicle | ENGINE GASKETS SEALING SYSTEMS |
| Type | ENGINE CRANKSHAFT SEAL |
| Item Length | 2.750 |
| Manufacturer Warranty | 1 YEAR |
| Ipn | C465 15-12 |
| Compatible Model | P35/P3500 VAN |
| Compatible Year | 1974 1973 1972 1971 1970 1969 1968 1967 |
| Core Charge | FREE NO CORE CHARGE |
| Position | FRONT |
| Fitment Type | DIRECT REPLACEMENT |
| Bundle Description | 1 PC GENUINE NATIONAL ENGINE CRANKSHAFT SEAL |
Introducing the National SX-SEY7 Front Engine Crankshaft Seal, specifically designed for the 1967-1974 GMC P35 and P3500 vans with the V8 engine and VN transmission. This crankshaft seal is an essential component of your engine's sealing system, preventing oil leaks and ensuring optimal engine performance.
The SX-SEY7 Crankshaft Seal is manufactured using high-quality materials to provide superior sealing capabilities and longevity. The seal's main component is a precision-molded, oil-resistant rubber gasket that seals against the crankshaft and engine block. This gasket is reinforced with a heavy-duty, steel backing plate that adds strength and durability, allowing it to withstand the extreme pressures and temperatures within the engine.
The seal's design ensures a perfect fit and easy installation. It comes with a specialized installation tool that helps in removing the old seal and installing the new one without causing damage to the engine components. The installation process is straightforward, and the seal can be replaced in just a few steps, saving you time and effort.
Additionally, the National SX-SEY7 Front Engine Crankshaft Seal is engineered to meet or exceed OEM specifications, ensuring a reliable and accurate seal. The seal is also compatible with various engine oils, allowing you to use the oil of your choice without compromising the seal's performance.
In conclusion, the National SX-SEY7 Front Engine Crankshaft Seal for 1967-1974 GMC P35 and P3500 vans is a must-have for anyone looking to maintain or restore their vehicle's engine. It provides superior sealing capabilities, easy installation, and long-lasting performance, making it an excellent investment for your classic GMC van.
Buying a National SX-SEY7 front engine crankshaft seal for a 1967-1974 GMC P35/P3500 van VN involves considering its potential benefits and drawbacks. Here's a brief analysis:
Pros:1. Genuine Replacement: This seal is a factory-original replacement part from National, ensuring a perfect fit and reliable performance.
2. Seals Leakage: A worn-out or damaged crankshaft seal can cause engine oil leakage, leading to loss of lubrication, potential engine damage, and even fire hazards. Replacing it with a new one like the SX-SEY7 can prevent such issues.
3. Easy Installation: This seal is designed to be easy to install, making the repair process less time-consuming and generally hassle-free.
Cons:1. Cost: While this is a high-quality, genuine replacement part, its cost may be higher compared to aftermarket alternatives. However, its reliability and ease of installation might justify the investment for some.
2. Availability: Depending on the specific market or region, this seal might not always be readily available, requiring some patience and search efforts.
3. DIY Skills: Installation of the crankshaft seal requires some mechanical skills, and if you don't have the necessary expertise, you might need to hire a professional mechanic, adding additional costs.
Conclusion:Considering the pros and cons, the National SX-SEY7 front engine crankshaft seal is an excellent choice for those seeking a reliable and genuine replacement part for their 1967-1974 GMC P35/P3500 van VN. While the cost might be higher than some alternatives, the peace of mind and improved engine performance it offers can make it a worthwhile investment. If you have the necessary skills and tools, the ease of installation can save you money compared to hiring a professional. However, if availability is a concern, it may be wise to plan ahead and order the part well in advance.
Recommendation:If you're looking for a reliable, genuine, and high-quality front engine crankshaft seal for your 1967-1974 GMC P35/P3500 van VN, the National SX-SEY7 is an excellent choice. It offers improved engine performance, peace of mind, and the assurance of a perfect fit. While the cost may be higher than some alternatives, its reliability and ease of installation can make it a worthwhile investment for those who value the performance and longevity of their vehicle.
National front engine crankshaft seal for 1967-1974 Gmc p35 P3500 van Vn: status: in stock.