MIDWESTWHEEL.COM MEMBER KANSAS CITY 5801 E. Front St. Main ....(816) 471-1552 Parts....(800) 821-7402 JOPLIN 2424 Stephens Blvd. Main ....(417) 717-6022 Parts....(866) 318-9111 SPRINGFIELD 812 Lillian Dr. ∙ Strafford, MO Main ....(417) 429-2476 Parts....(800) 785-3705 SIOUX CITY 1819 4th St. Main ....(712) 252-7969 Parts....(800) 943-3534 CEDAR RAPIDS 200 50th Ave. S.W. Main ....(319) 365-4453 Parts....(800) 332-5435 DES MOINES 1436 E. Ovid Ave. Main ....(515) 265-1491 Parts....(800) 888-0248 CLEAR LAKE 840 Hwy. 18 W. Main ....(641) 357-7101 Parts....(800) 397-5630 DAVENPORT 8502 Northwest Blvd. Main ....(563) 322-2671 Parts....(800) 553-1886 OMAHA 9770 S 142nd Street, Suite 1 Main ....(531) 239-3050 Parts....(800) 322-8757 NEBRASKA IOWA MISSOURI March 3, 2026 (00Stemco Auto-Torq Axle Fastener New Offerings) PRO-TORQ AXLE NUT FASTENERS P/N THREAD SIZE TOOL SOCKET REPLACEMENT KEEPER AXLE ST 400-4723 TRAILER (P) 3.48" -12 4 1/8" NA Dana Spicer, Fruehoff, Hendrickson, Meritor, Ingersoll ST 400-4743 TRAILER (N) 2 5/8" - 16 3 1/4" NA Dana Spicer, Eaton, Hendrickson, Ingersoll ST 400-4836 STEER 1 1/2" - 12 2 1/8" NA Dana Spicer, Eaton, Fruehoff, Meritor, Standard Forge ST 400-4837 STEER 1 1/2" - 18 2 1/8" NA Eaton, Ford, Meritor ST 400-4973 DRIVE 3 1/4" - 12 4" NA Dana Spicer, Meritor, Eaton Zip-Torq Axle Nut Fasteners – With it’s robust single piece design, Zip-Torq takes the guess work out of bearing adjustment. Zip-Torq is a unitized spindle nut that uses a patented self-locking ratchet system to secure the wheel end and prevent back off. Zip-Torq consistently delivers accurate end-play between .001” - .005” using the Stemco 2-1-1 method. ZIP-TORQ AXLE NUT FASTENERS Pro-Torq Axle Nut Fasteners – Increase tire life and reduce seal failure with the Pro-Torq axle spindle nut. With bearing adjustment increments down to 0.001” and exacting cup and cone alignment on the spindle, nothing compares to the precision of Pro-Torq. P/N THREAD SIZE TOOL SOCKET REPLACEMENT KEEPER AXLE ST 447-4723 TRAILER (P) 3.48" - 12 4 1/8” ST 450-4723 Dana Spicer, Fruehoff, Hendericson, Meritor, Ingersoll ST 447-4743 TRAILER (N) 2 5/8" 3 3/4" ST 450-4743 Dana Spicer, Eaton, Hendrickson, Ingersoll ST 448-4836 STEER 1 1/2" 2 1/2" ST 450-4836 Dana Spicer, Eaton, Fruehoff, Meritor, Standard Forge ST 448-4837 STEER 1 1/2" 2 1/2" ST 450-4837 Eaton, Ford, Meritor ST 448-4839 STEER 1 5/8" - 12 2 5/8" 6 Point ST 450-4839 Mack Front ST 448-4865 STEER 1 3/4" 3" ST 450-4865 Meritor FL Series ST 449-4904 DRIVE 2 7/8" 4 1/8" ST 450-4904 Mack ST 449-4973 DRIVE 3 1/4" 4 3/8" ST 450-4973 Dana Spicer, Meritor, Eaton ST 449-4974 DRIVE 2 5/8" 3 3/4" ST 450-4743 Eaton, Ford, Meritor, Navistar ST 449-4975 DRIVE 2 5/8" 3 3/4" ST 450-4975 Dana, Ford, GMC, Navistar, Rear Axle School Bus
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