National 203003 Seal or gasket

National 203003 is a seal or gasket in Hardware & Accessories, US catalog. Listed by National Industrial Applications, Product Specifications & Interchange Guide (Catalog No. 430i, July 2019; Federal-Mogul Motorparts).

Radial Shaft Seals

Specifications

Lip material (code as printed)

S

Shaft size

1.125

Housing bore

1.937

Seal O.D.

1.942

Seal width

0.562

Type / illustration

203

Section as printed

RADIAL SHAFT SEALS

Name taken from

the section heading, pdf page 96

Specifications from National Oil Seals & Bearings Specifications Guide (DRiV, 2021)

Shaft

1.125″ / 28.580mm

Housing bore

1.937″ / 49.200mm

Outside diameter

1.942″ / 49.330mm

Width

0.562″ / 14.270mm

Material

Nitrile

Type

203

Name taken from

the section heading, pdf page 90

About this kind of part (general, written by SearchForPart)

Seals a joint against leaks of fluid, air, water or dust. A leak at a joint or a part taken apart calls for a new one. Check size, material and the joint it seals.

When ordering, give the part number exactly as printed and its maker, and the make, model and year of the truck, trailer, reefer unit or machine (or the engine or unit serial number). SearchForPart shows fitment only as the source printed it: check it before you order.

Reference numbers

Listed by the maker as corresponding

• Listed by National as corresponding to L & S Bearing A76005S; interchange not verified by SearchForPart.
• Listed by National as corresponding to Trostel A76005S; interchange not verified by SearchForPart.
• Listed by National as corresponding to L & S Bearing A76006S; interchange not verified by SearchForPart.
• Listed by National as corresponding to Trostel A76006S; interchange not verified by SearchForPart.
• Listed by National as corresponding to NOK AF1616E; interchange not verified by SearchForPart.
• Listed by National as corresponding to NOK AF1616E0; interchange not verified by SearchForPart.
• Listed by National as corresponding to Sealed Power N11269; interchange not verified by SearchForPart.
• Listed by National as corresponding to Mopar T930; interchange not verified by SearchForPart.
• Listed by National as corresponding to Mopar T933; interchange not verified by SearchForPart.
• Listed by National as corresponding to SKF C-R 203003; interchange not verified by SearchForPart.
• Listed by National as corresponding to Timken TIMKE 203002; interchange not verified by SearchForPart.
• Listed by National as corresponding to A/C Delco ACDEL 43089S; interchange not verified by SearchForPart.
• Listed by National as corresponding to Trostel 47012S; interchange not verified by SearchForPart.
• Listed by National as corresponding to Trostel 47013S; interchange not verified by SearchForPart.
• Listed by National as corresponding to International 518055R91; interchange not verified by SearchForPart.
• Listed by National as corresponding to Mc Cord WHITE 380001A; interchange not verified by SearchForPart.
• Listed by National as corresponding to Mc Cord MCCOR 482253; interchange not verified by SearchForPart.

Reference numbers as printed by the maker. They are not a statement that the parts are interchangeable. Confirm with the manufacturer before ordering.

Availability

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Catalog information provided by National Industrial Applications, Product Specifications & Interchange Guide (Catalog No. 430i, July 2019; Federal-Mogul Motorparts). Fitment for your equipment is not verified by this page. SearchForPart does not show a price here.