STEMCO HUB CAPS

1 An EnPro Industries companyan EnPro Industries companyMaking the Roadways Safer STEMCO HUB caps THE INDUSTRY LEADER, PROVIDING PROVEN PROTECTION AND EXCEPTIONAL VALUE FOR EVERY FLEETSTEMCO has provided the trucking industry with reliable hub caps for more than 60 years. Throughout our history, we have recognized the need for tougher, long-lasting hub caps that meet the performance, design and price requirements related to selecting the right hub cap for any fleet. To meet that need, STEMCO has engineered a menu of hub cap options designed to meet the varying performance expectations of each fleet, all in an effort to maximize performance and WHEEL END INTEGRITY AND DOWN TIME ON THE LINE, DO NOT ACCEPT LESSER QUALITY IMITATIONS OR KNOCK OFFS.

2 TRUST THE EXPERTS, TRUST DESIGNS AND SUPERIOR MATERIALS ENSURE SAFETY AND DURABILITYI nnovative Product LineProduct- and application-specific technology designed to eliminate contaminants and extend wheel end Materials Cast aluminum to dissipate Lubricant Options Oil, semi-fluid grease, and hard-pack grease hub caps to meet performance, design and price requirements of today s fleets Application Coverage Full-line coverage for trailer and tractor HUB caps The traditional aluminum series 340 and 343 provide durability with the trademark red plug to allow venting of the hub cap. Using cast aluminum for constructing the hub cap body prevents warpage and provides superior durability and heat-dissipation properties. The trucking industry recognizes STEMCO hub caps as the 4 6 - 5110 Steer3 4 0 - 4119 Drive340-4975 Trailer343-4009 Trailer343-4064 Trailer343-4075 Trailer343-4342 TrailerSENTINEL HUB caps Sentinel Technology provides an unmatched filtering system to eliminate contamination of lubricant from grime, dirt or water.

3 STEMCO provides four options to put Sentinel Technology to work for you: The Sentinel hub cap provides a tamper-proof system for maximum protection and maintenance-free performance. I ntegrated Sentinel hub caps integrate the Sentinel features into the window with fewer components and greater wheel end visibility. The Sentinel ESP (Extended Service Plug) and Sentinel ESP Filtered Drive Axle Vent allow economical retrofitting of wheel ends and drive axles with the benefits of STEMCO s exclusive Sentinel 6125 ESP Plug359- 6124 Blister Pack (2/pk)353-4009 Trailer359- 6137 Drive Axle VentPOPULAR REPLACEMENT PARTS 359-5995 4009 Oil Window Kit 359-5990 Large Red Rubber Plug 359-5915 Small 3/4" Red Rubber PlugLEGEND340/360 - No Pipe Plug342 - Dirt Exclusion Grease343/363 - With Pipe Plug348 - Sentinel Oil349 - Sentinel Grease350 - With ESP Sentinel Plug353 - With ESP Sentinel Plug356/366 - Sentinel Oil - Integrated358/368 - Sentinel Grease Integrated349 - Sentinel Grease4009 - Tapered Spindle TN 4195 - Parallel Spindle TP STEMCO Base Part NumberStandard Hub Cap, No Side FillDefender Hub CapDirt Exclusion, GreaseStandard Hub Cap, Side FillDefender Hub CapStandard Hub Cap.

4 Hubo WindowSentinel Hub CapSentinel Hub Cap GreaseSolid Aluminum Grease / VentedIntegrated Sentinel OilDefender Hub CapIntegrated Sentinel GreaseDefender Hub CapBolt CircleBolt SizeNumber of Bolts34036034234336334734834935235636635 83684009 XXXXXXXXXXXXX5-1/25/1664013 XXXXXXXX5-1/25/1654024 XXXXXXXX4-1/25/1664046 XXXXXX5-1/25/1664075 XXXXXXXX6-1/4 x 8 UN(M)4095 XXXXXXXX5-1/25/1664195 XXXXXXXXXXXXX6-3/45/1664249 XXX5-1/25/1664281XX5-17/323/864370*XX5-1 /25/1664371*XX6-1/4 x 8 UN(M)4372*XX6-3/45/166 POPULAR HUB CAP OPTIONS WITH BOLT SPECIFICATIONS*PSIINFLATION HUB CAPSSTEMCO tire inflation hub caps are available in both oil and grease for several popular applications. The oil hub caps have a side fill plug and a standard window with oil fill lines.

5 The grease hub caps do not have a side fill plug and incorporate a gray opaque window with no 831- 0212 Aeris HUBODOMETER HUB CAPSSTEMCO Hubodometer hub caps provide ease and convenience when installing our mechanical or electronic DataTrac Hubodometers. The 347 series aluminum hub cap is mounted with a hubo window while the 640 series is a full grilamid Hubodometer hub cap with a metallic flange. Both allow for mounting of the Hubodometer directly through the center of the hub STEEL HUB caps STEMCO Stamped Steel grease hub caps are manufactured from 14-gauge steel and have a protective yellow chromate plating with a clear lacquer coating for additional protection from corrosion. For synthetic-base grease, use the vented 340-5096 version cap.

6 For petroleum-base grease, use the non-vented 340-5097 HUB CAPSThe Defender hub cap is 100% corrosion-free, with stainless steel reinforcement inserts. It achieves longer wheel-end life using a magnetic plug that pulls abrasive material away from critical components. An exception chemical bond between the hub cap and window ensures a strong seal and no 4195 Trailer366-4024 Steer363-4009 TrailerGREASE HUB CAPSFor grease applications, the 342 series Dirt Exclusion hub caps provide the same 340 casting without a side fill plug, plus a solid window with a sintered metal vent for venting purposes. To further support grease wheel ends, STEMCO developed the 352 series Solid Aluminum hub caps with a duckbill vent inserted in the face of a solid hub | 877-232-9111 | 905-206-97005775 McLaughlin Road Mississauga, Ontario L5R 3P7 | CanadaAustralia | 011-61-2-9793-2599 Unit 6 CNR Rookwood & Muir Roads Yagoona NSW 2199 | AustraliaUnited States | 800-527-8492 | 903-758-9981300 Industrial Boulevard Longview, Texas 75602 | US Making the Roadways Safer Mexico | 444-804-1736 Eje Central Sahop No 215, Zona Ind San Luis Potosi SLP 78395 | EnPro Industries companyan EnPro Industries companySTEMCO, Aeris, DataTrac, Defender, Hubodometer, PSI and Sentinel are trademarks of STEMCO Products Inc.

7 2018 STEMCO Products Inc. Printed in the USA. Part No. 571-3185 | Rev. 3/18 HUB CAP CROSSOVERCOMPETITIVEPART SNAMESTEMCOPART SNAMESTEMCOPART SNAMESTEMCOPART - 40241823 SKF343-4042C43-4095 SKF343-40951612 SKF361- 40241742 SKF343 - 4013C43-4098 SKF343-40981612 SKF363- 40241843 SKF343-4009C43-4249 SKF343-42491612 SKF364- 40241843 SKF343-4046DG-5/6 PDual Dynamics340-40131612 SKF366- 40241843 SKF343-4095DG-5/6 PSDual Dynamics343-40131612 SKF367- 40241865 SKF343-4066DG-6 FDual Dynamics340-40461612 SKF369- Dynamics340-40241623 SKF343-40661890 SKF343- Dynamics343-40131627 SKF343 - Dynamics343-40241642 SKF343 - Dynamics347-40751643 SKF343-4009340-975 National340-4975DG-6 FLDual Dynamics340-42491643 SKF360-4009340-975 BKNational340-4975DG-6 FPDual Dynamics347-40091643 SKF361- 40 09343-009

8 National343-4009DG-6 FPCDual Dynamics340-40241643 SKF363-4009343-009 BKNational303-4009DG-6 PDual Dynamics340-40091643 SKF364-4009401911 PMechanex/Barrier340-4975DG-6 PSDual Dynamics343-40091643 SKF366-4009506085 Eaton343-4024DG-6 PSCDual Dynamics343-41951643 SKF369-400964009 TriSeal343-4009DG-PDual Dynamics340-40751665 SKF343-404264009 HTriSeal347-4009DG-PSDual Dynamics343-40751681 SKF343 - 418664013 TriSeal343-4013DG-PSCDual Dynamics343-42491682 SKF343-407564024 TriSeal343-4024H075 National343-40751696 SKF343 - 419564029 TriSeal343-4186HS1643 Mechanex/Barrier343-42491696 SKF360 - 419564034 TriSeal343-4034HU009 ANational343-40091696 SKF361- 419564042 TriSeal343-4024HU009 ANational343-40461696 SKF363 - 419564046 TriSeal343-4046HU013 ANational343-40131696 SKF364 - 419564046 TriSeal343-4095HU019 ANational343-40191696 SKF366 - 419564046 TriSeal343-4249HU024 ANational343-40241696 SKF367- 419564066 TriSeal343-4066HU028 ANational343-41861696 SKF368 - 419564075 ATriSeal343-4075HU034 ANational343-40341696 SKF369 - 419564075 GTriSeal342-4075HU042 ANational343-40421703 SKF343- 424964075 PSKF340-4975HU066 ANational343-40661711 SKF343-402464249 SKF343-4249HU110 ANational343-40951723 SKF343-4066812928 SKF343-4095HU110 ANational343-42491727 SKF343 - 4019815214 SKF343-4195P411601 Mechanex/Barrier343-40091742 SKF343 - 4013821338 SKF343-4009P411605 Mechanex/Barrier343-40951743 SKF343-4009821907 SKF343-4009P411605 Mechanex/Barrier343-42491743

9 SKF343-4046C40-4009 SKF340-4009P411608 Mechanex/Barrier343-40131743 SKF343-4095C40-4009 BPSKF300-4009P411620 Mechanex/Barrier343-40661753 SKF343- 4249C40-4975 SKF340-4975P411622 Mechanex/Barrier343-40421765 SKF343-4042C40-4975 BPSKF340-4975P411629 Mechanex/Barrier343-41861770 SKF343-4034C40-5097 BPSKF340-5097P411630 Mechanex/Barrier343-40241781 SKF343 - 4186C43-4009 SKF343-4009P411640 Mechanex/Barrier343-40341788 SKF343- 4249C43-4009 BPSKF303-4009P411655 Mechanex/Barrier343-40751800 SKF347-4009C43-4013 SKF343-4013P411688 Mechanex/Barrier343-4095C43-4024 SKF343-4024P411967 Mechanex/Barrier343-4046 THREADED HUB CAPSHUB CAP MOUNTING BOLTSHUB CAP COMPONENTSXXX-4075100 ft/lbs1/4"8-12 ft/lbs5/8"22-26 ft/lbs359-6032#8 Torx Screw18-23 in/lbs340-497550-60 ft/lbs5/16"12-16 ft/lbs3/4"24-28 ft/lbs359-59843/8" Mag Plug5-9 ft/lbs3 4 0 - 497650-60 ft/lbs3/8"16-20 ft/lbs7/8"26-30 ft/lbs359-59853/8" Pipe Plug5-9 ft/lbs640-000350-60 ft/lbs7/ 1 6 "18-22 ft/lbs6MM8-12 ft/lbs1/ 2 "20-24 ft/lbsHUB CAP TORQUE SPECS