More tooling just completed, 16 new part numbers now in stock! More Coming Soon..
Keep grease in - Keep junk out.

U.S. Patents 11,796,009 - 12,259,013 Addl. U.S. and Intl. Pats. Pending
New, patented U-Joint Covers reduce grease on the undercarriage, reduce grease on roadways and protect U-Joints from foreign object damage.
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Protector U-Joint Covers are a cost-effective solution to grease build-up and periodic steam-cleaning. Part selection is easy, and installation is quick. Each cover takes about 10 minutes to install with the driveline fully assembled on the vehicle.
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No drilling or modification is needed.
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The concept is simple, Protector U-Joint Covers are attached to the driveline resting on firm, interchangeable mount pads sized to fit and 'grip' the mounting surface, held tightly in place by captive Zinc-Plated Hex-Head bolts and Stainless-Steel threaded inserts.
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Protector U-Joint Covers are comprised of 2 identical halves, so they're balanced. Made of injection molded Engineering Grade Nylon, they're lightweight but virtually indestructible.
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Each Protector U-Joint Cover carries a no-questions-asked, One-Year Money Back Guarantee.
Jarret Landry's '88 Pete 379 is Protected by Part Number 5134DSK
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Protector U-Joint Covers are available for mounting on the 3 drive line components common to heavy trucks, Driveshaft, Slip-Yoke & Yoke-Shaft.
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1st. Select Mounting position which is designated by the 1st letter in the 3 letter alpha-suffix:
For driveshaft mounted covers you'll need to measure your driveshaft tube diameter and select the corresponding part number. Next, you'll need to know the approximate u-joint cross diameter, Under 7" or Over 7"
Example: 4625DSK fits a 4-5/8" driveshaft tube with "Standard" u-joints (under 7") such as SPL250
Example: 4625DLK fits a 4-5/8" driveshaft tube with "Large" u-joints (over 7") such as 1810
Slip-Yoke and Yoke Shaft mounted covers are "Multi-Fit" so there's no need to measure the shaft diameter, just determine the u-joint / yoke cross diameter, Under 7" or Over 7".
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2nd. Select U-Joint size which is is designated by the 2nd letter in the alpha-suffix.
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3rd letter (K) in the alpha suffix designates a kit with mounting pads & fasteners.
Protect your fleet, Protect the environment
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Keep it Clean, Protect it from Damage


D _ _ = Driveshaft Mount
S _ _ = Slip-Yoke Mount

Y _ _ = Yoke-Shaft Mount

_S_ = Standard Heavy Duty U-Joints
(under 7" cross diameter)
_L_ = Large Heavy Duty U-Joints
(over 7" cross diameter)





