National
National 4503N Manual Transmission Extension Housing Seal
National 4503N Manual Transmission Extension Housing Seal
SKU:N194503N
Low stock
Couldn't load pickup availability
- Free shipping on $70+
- Ships from US warehouse
- 30-day returns
The National 4503N is a manual transmission extension housing seal.
Key features
- Design type: spring loaded, multi-lip: Offers a spring-loaded design with multiple lips for enhanced sealing performance
- Temperature range: -20°F to 300°F / -29°C to 49°C: Designed for a wide temperature range, ensuring reliable performance in various conditions
- Resistance to EP lubricants: Engineered to resist extreme pressure (EP) lubricants for long-lasting use
- Low swell in hydrocarbon fluids: Demonstrates low swelling when exposed to hydrocarbon fluids, ensuring consistent sealing
- Delivers quality and reliable performance: Provides high-quality sealing solutions for all types of repairs
- Material: Polyacrylate: Constructed with polyacrylate material for durability and resistance to oxidation and ozone
- Compatible with most oils and EP lubricants: Works well with most oils and extreme pressure (EP) lubricants at higher operating temperatures
- Operating temperature range: Minus 20 degree Fahrenheit to 300 degree Fahrenheit: Withstands a wide temperature range for versatile use
Specifications
| Brand | National |
|---|---|
| Manufacturer part number | 4503N |
| Part type | Machine Lubricant |
| UPC / GTIN | 724956131204 |
| Weight | 0.13 lb |
| Dimensions (L × W × H) | 4.8 × 2.2 × 4.8 in |
| Category | Tools & Garage |
| Condition | New |
| Returns | 30-day returns on unused items |
Questions
What does shipping cost?
Standard shipping is free on orders of $70 or more to the lower 48 states and DC, and $8 below that. Express is $15 at checkout. Orders ship the same business day when placed early in the day, otherwise the next business day; standard delivery takes 3–5 business days. Alaska and Hawaii are charged by weight at checkout.
Can I return it?
Yes — unused items in the original packaging can be returned within 30 days of delivery. A restocking fee may apply; see our refund policy.
Shipping & delivery
Shipping & delivery
Free standard shipping on orders of $70 or more to the lower 48 states and DC; $8 on smaller orders. Express is $15 at checkout; Alaska and Hawaii are charged by weight. Orders ship from the warehouse closest to you — the same business day, or the next business day if ordered late in the day, on a weekend or holiday. Standard delivery takes 3–5 business days. Oversized items (bumpers, running boards, large tonneau covers, some marine equipment) ship LTL freight — we contact you to schedule delivery and a signature is required.
Returns & warranty
Returns & warranty
Unused, uninstalled parts in original packaging can be returned within 30 days of delivery. A restocking fee of up to 20% may apply depending on the product, and return shipping is the buyer’s responsibility unless the item arrived defective, damaged or incorrect. Items marked Final sale can't be returned. If a part fails, contact us with your order number and we'll help with the manufacturer's warranty claim.
Fitment & part numbers
Fitment & part numbers
Verify fitment with the manufacturer part number shown above and your vehicle’s year, make, model and trim. If the listing says “Fits select…”, confirm your exact application before ordering. Not sure? Send us your VIN and the part number and we’ll check it for you.
