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More than the basic function of keeping wheels in place, the Euclid Wheel Cap Nut adds an extra layer of clamping force needed for highway and heavy-load conditions. Commonly used on steer and drive axles, this cap nut fits over the wheel stud and is torqued in place to distribute the load evenly across the wheel hub. The Euclid E5977R is made to match OE dimensions for a tight thread fit and seating, reducing the risk of loosening during high-speed or off-road travel.
| Product Type | Other Cap Nut |
| Side | Right |
| Thread Size | 1.13" - 16 |
| Hex | 1.50" |
| Height | .88" |
| Brand | Euclid |
| Hex | 1 1/2 in. |
| High | 7/8 in. |
| Notes | Through hardened. Zinc dichromate plating. |
| Pallet Quantity | 280 |
| Replaces | 891BR, 891R, R005977R, R005977RBK, W746, W984R |
| Thread | 1-1/8"-16 |
| Type | Cap Nut |
| Weight | .21 |
| Wheel Mount | Single & Dual |
| Marketing Group | Disc Wheel |
| Mfr Part Number | E-5977-R |
| VMRS Code | 018-003-015 |
| Weight | 0.22 LBS |
| Unit Pack | 25 |
| Brand | Part Number |
|---|---|
| Automann | 2012003R |
| Fruehauf | 534764 |
| Gunite | 34271 |
| Alcoa | 5552R |
| Haldex | 67211 |
| Dorman | 611034 |
| Great Lakes | GL2003 |
| Motor Wheel | 84527 |
| NAPA | 6412010 |
| Spicer | 511012R |
| Navistar | 83155H |
| Webb | 178910 |
| Wagner | 916116 |
| Firestone | NTR25 |
| Nwra | X1831 |
| Okabe | OK37891 |
| Trailmobile | 385552R |
| Meritor | 2E-5977-R |
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Euclid® is a world leader in the production of precision-engineered replacement parts for buses, trailers, as well as light-, medium- and heavy-duty trucks. This brand takes great pride in its products that meet and even exceed O.E.M. quality standards. Officially a part of Meritor since January 1999, Euclid remains the same despite all the changes the company has been through. When customers receive Euclid products, they know they are getting far more than ordinary replacement parts. Instead, they are getting the best replacement parts made today from a company they can trust. Euclid is a company that's continuously improving with technology to do a job the right way because it is the only way it knows how.
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