National 442251 Oil Seal
Product ID: 97423322
💧Low swell in hydrocarbon fluids
🔥Temp range -40°F to 225°F
🛠️Springless single-lip design
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🛡️ Seal the deal with confidence—performance that never leaks!
The National 442251 Oil Seal features a springless single-lip design crafted from nitrile rubber and steel, delivering reliable sealing performance across a wide temperature range (-40°F to 225°F). Its low swell in hydrocarbon fluids ensures durability and efficiency, making it a trusted choice for professional-grade mechanical repairs backed by over 75 years of industry expertise.
| ASIN | B0012UEHCE |
| Best Sellers Rank | #809,393 in Automotive ( See Top 100 in Automotive ) #765 in Automotive Replacement Crankshaft Seals |
| Brand | National |
| Brand Name | National |
| Container Type | Can" or "Bottle |
| Customer Reviews | 4.8 out of 5 stars 46 Reviews |
| Global Trade Identification Number | 00724956129768 |
| Included Components | Multi Purpose Seal |
| Item Form | Oil |
| Item Weight | 27.22 g |
| Manufacturer | National |
| Material | Nitrile Rubber, Steel |
| Model Number | 442251 |
| Number of Items | 1 |
| Package Information | Can" or "Bottle |
| Part Number | 442251 |
| Recommended Uses For Product | Mechanical |
| SAE J300 Viscosity Grade | 0W-16 |
| Specific Uses For Product | Increase Efficiency |
| UPC | 724956129768 |
| Unit Count | 1.0 Count |
| Upper Temperature Rating | 107 Degrees Celsius |
G**6
Fit good
Proper fit
S**I
High quality seal.
High quality seal that worked great.
K**T
Good quality.
Installed these during a wheel bearing pack.
S**H
Fits Hadco 3077
Used this to replace a Hadco 2m series 3077 #523043 on our older camper. Arrived quickly and fits great. Hadco still makes the original seal, by the way, we just needed this quickly so we could take the camper out, so being able to order a seal that fits from Amazon prime was a great alternative.
K**Y
Wheel seal woes
For a flatbed trailer fit just right
B**N
Fair price
Fair price
W**B
The best
You can’t beat a National seal even if they are now made in China.
H**T
Quality
A+
Trustpilot
2 months ago
1 month ago