USA Standard Gear

NV4500 Manual Transmission Input Shaft Seal

$9.89

SKU: ZMSEA21901

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The USA Standard Gear ZMSEA21901 is an input shaft seal specifically designed for the NV4500 manual transmission. This seal is crucial for preventing fluid leaks and maintaining the proper lubrication within the transmission. Manufactured to meet Original Equipment (OE) requirements, this seal ensures a precise fit and reliable functionality, mirroring the quality of the original part. Its construction is intended to withstand the demanding conditions within a manual transmission, offering a durable solution for your drivetrain. Fitment information indicates compatibility with various Chevrolet and GMC models equipped with the NV4500 transmission. However, it is important to note that this specific seal is explicitly stated to NOT fit the 03-05 RAM 3500. Always verify compatibility with your specific vehicle application before purchase. USA Standard Gear is known for providing quality drivetrain components, and the ZMSEA21901 upholds this reputation by offering a direct-fit replacement with a focus on OE-standard quality and performance.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandUSA Standard Gear
Part NumberZMSEA21901
CategoryDrivetrain

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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