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94-98 5.9L 12 Valve Cummins Gear Cases & Front Covers

Timing Covers, Gear Cases, & front covers for the 1994-1998 Dodge 5.9L 12 Valve Cummins Diesel. 

We also carry a variety of parts and kits to fix the KILLER DOWEL PIN (KDP).
Fix your 12 Valve Cummins KILLER dowel pin today before it costs your tomorrow!

Brand: Interstate-McBee Part Number: M-3900257
89-02 Dodge Ram 5.9L Cummins Interstate McBee Gear Housing Dowel Pin Interstate McBee: M-3900257..
$2.47
Brand: Interstate-McBee Part Number: M-3904849
89-98 Dodge Ram 5.9L Cummins Interstate McBee Timing Pin Retainer RingDirect FitMeets or exceeds factory specsInterstate McBee: M-3904849..
$0.27
Brand: Industrial Injection Part Number: 249B01
Fits: 1989-2002 Dodge 5.9L CumminsOn 1989-2002 Cummins trucks, the OEM dowel pin right behind the timing cover can vibrate loose over time. When this pin drops down into the timing gears, it causes catastrophic failure, and could leave you stranded and your truck down.Our dowel pin repair kit comes ..
$58.89
Brand: Industrial Injection Part Number: 242B01
Fits: 1994-2002 Dodge 5.9L Cummins On 1994-2002 Cummins trucks, the OEM dowel pin right behind the timing cover can vibrate loose over time. When this pin drops down into the timing gears, it causes catastrophic failure, and could leave you stranded and your truck down.   Our dowel pin..
$132.01
Brand: Dorman Products Part Number: 635-813
This direct replacement timing cover matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards.   Direct replacement - this engine timing cover matches the fit and functi..
$187.77
Brand: Keating Machine Part Number: 012510-3V2x
Fits 12 Valve Cummins engine with stock gear housing. Requires factory gasket (not included), can use factory fan with stock 12 valve dampener and belt. Now designed to use stock rpm sensor pickup using stock bracket and stock bolts for sensor (see picture). Includes Stainless Steel hardware for all..
$449.95
89-18 Cummins 3.9L/5.9L/6.7L CTA Front Crank Seal & Wear Sleeve Install Tool
Backordered
Brand: CTA Manufacturing Corp. Part Number: 8612
Backordered until 5/16 (Updated 3/18/2025) This tool is a must have for anyone who regularly works on Cummins diesel trucks. Be it a 1989 VE Pump Cummins or a 2014 6.7L Cummins, these engines love to leak oil out of the front crank seal. The best solution is to get a new crank seal with a "s..
$84.47
Dodge Cummins Front Crankshaft Seal Installation Tool
-10 %
Brand: Cummins Part Number: 3824498
Cummins's Front Crankshaft Seal Installation Tool for 1989 - Present Dodge Cummins diesels. This Front Crankshaft Seal Installation Tool is a genuine Cummins part for Dodge diesel trucks 1989 to Present. This tool is made to properly place the crankshaft seal without leaks.   Cummins Fron..
$174.05 $193.38
Brand: Interstate-McBee Part Number: M-3903924/M-3913994
Replacement plastic timing pin with sealing o-ring. Choose option above if you would like the retainer ring included. (part number M-3904849) McBee part numbers:  M-3903924/M-3913994..
$4.32
89-98 Dodge 5.9L 12 Valve Cummins Replacement Timing Pin & O-Ring
-10 %
Brand: Cummins Part Number: 3903924/3913994
Replacement plastic timing pin with sealing o-ring. Choose option above if you would like the retainer ring included. (part number 3904849) Cummins part numbers:  3903924 & 3913994..
$20.80 $23.09
Brand: Contagious Diesel Performance Part Number: CON8998CTLP
Did you break off the stock "nipple" on your stock plastic timing pin? Time to fish that chunk of plastic out of the back of the cam gear and replace it with this billet cam gear lock pin. The o-ring and retaining star washer ring is included. Does NOT include the timing pin housing sh..
$35.00
94-98 Dodge 5.9L 12 Valve Cummins KDP Dowel Pin Tab
-10 %
Brand: Cummins Part Number: 3958017
94-98 12 Valve Cummins "Killer" Dowel Pin Tab AKA KDP tab Cummins: 3958017..
$5.90 $6.55
89-02 Dodge 5.9L Cummins Flat Pump Gear Access Hole Cover
-10 %
Brand: Cummins Part Number: 59FPGAC
Includes Cummins part numbers:  1x 3903463 Cover 1x 3903475 Rectangular Seal Also known as: Oil filler plug eliminator, Oil filler delete, or oil filler plug block off on the timing cover..
$23.55 $26.18
Brand: BD Power Part Number: 1040182
94-98 Dodge 12 Valve 5.9L Cummins DieselKiller Dowel Pin Repair Kit (KDP) Includes:Crank SealDowel PinDowel Pin TabTiming cover gasket BD Part Number: 1040182 Other items may need to be replaced, and this kit may not be a cure-all if the pin has already fallen, it will however prevent the pin fro..
$202.95
89-02 5.9L Cummins Gearcase Dowel Pin
-10 %
Brand: Cummins Part Number: 3900257
94-98 12 Valve Cummins Gear Housing Dowel Pin This can be used in place of the infamous "killer dowel pin". We still recommend a retainer tab to avoid future issues.Cummins: 3900257   ..
$15.75 $17.49
Brand: Keating Machine Part Number: 012510-3V2
Fits 12 Valve Cummins engine with stock gear housing. Requires factory gasket (not included), can use factory fan with stock 12 valve dampener and belt. Includes Stainless Steel hardware. Allows installation of aftermarket mechanical fuel supply pump.  Includes crank seal adapter ring (does not..
$449.95
Brand: Aftermarket Parts Part Number: KDPKIT W/Gearcase
Killer Dowel Pin (KDP) Repair Kit '94-'98 Dodge 5.9L 12 Valve Cummins with Timing Gear Housing Includes: Front Timing Gear Housing, Gasket and Dowel, Front Crank Seal w/o Sleeve and Killer Dowel Pin Tab (straight) and Accessory Drive Gasket. Gearcase & gaskets are manufactured by Interstate ..
$327.00
Brand: Interstate-McBee Part Number: M-3936256
Dowel Pin fell? Chances are your timing case/gear housing got cracked in the process as the gears tend to wedge the pin against the gearcase.The new design does NOT allow the dowel pin to drop as the end is beveled. Be sure to install a new pin as it is crucial to ensure proper gearcase alignment. ..
$269.46
89-98 Dodge 5.9L Cummins Timing Pin Retainer Ring
-10 %
Brand: Cummins Part Number: 3904849
Cummins Timing Pin Retaining Ring 3904849 Number 2 from second image only...
$3.60 $3.98
94-98 Dodge 5.9L 12V Cummins PDP Timing Gear Case Housing
-10 %
Brand: Pure Diesel Power Part Number: 731192
Have a 94-98 Dodge 5.9L 12 Valve Cummins and had the killer dowel pin fall? Chances are your timing case/gear housing got cracked in the process as the gears tend to wedge the dowel pin against the gearcase. We have sourced an aftermarket case that is MUCH cheaper than the new Cummins alternat..
$242.10 $269.00
89-98 Dodge 12 Valve Timing Pin Housing
-10 %
Brand: Cummins Part Number: 3919683
89-98 Dodge 12 Valve Timing Pin Housing Cummins: 3919683..
$16.05 $17.86
94-98 Dodge 5.9L 12 Valve Cummins Timing Gear Case Housing
-10 %
Brand: Cummins Part Number: 3936256
Dowel Pin fell? Chances are your timing case/gear housing got cracked in the process as the gears tend to wedge the pin against the gearcase.The new design does NOT allow the dowel pin to drop as the end is beveled. Be sure to install a new pin as it is crucial to ensure proper gearcase alignment. ..
$686.20 $762.44
Brand: Keating Machine Part Number: 11911-1
Fits 12 Valve Cummins engine with stock gear housing. Requires factory gasket (not included), can use factory fan with stock 12 valve dampener and belt. Now designed to use stock rpm sensor pickup using stock bracket and stock bolts for sensor (see picture). Includes Stainless Steel hardware for all..
$525.00
Brand: Diesel Auto Power Part Number: 3923898D
Aftermarket tin front cover cover. This cover installs on the front of the engine on the timing gear case.  This does not include a gasket. Includes item number 1 in second image only. Part number: 3923898D..
$49.00
Brand: Keating Machine Part Number: 122314-5
Fits 1994 to 1998.5 12 Valve Cummins engine with stock gear housing featuring custom design to add contrast to the front of your gear housing. Billet gear housing cover requires factory gasket (not included), designed to use factory fan with stock dampener and belt without modification. Includes St..
$469.95
94-02 Dodge 5.9L Cummins Diesel Tin Front Cover
-10 %
Brand: Cummins Part Number: 3923898
Includes item number 1 only. Cummins: 3923898..
$222.60 $247.34
Brand: Keating Machine Part Number: 110913-8x
Fits Cummins billet front timing cover for p-pump and Sigma pump converted engines. Allows pump gear to be removed with out removing front cover. Usually used with engines running Sigma pumps and or being dyno tested on a regular basis. Stock dampener and belt will not fit without cutting ribs off...
$559.95
Brand: Peak Diesel Performance Part Number: KDP Repair Kit V.1
Product Unavailable (Updated 7-18-24) OUR KIT CONTAINS: RTV SENSOR SAFE ULTRA GRAY GASKET MAKER KDP TAB FRONT SEAL LOCKTITE   The Killer Dowel Pin is responsible for more heartache with your Dodge Cummins than probably another issue.  Most commonly an issue with th..
$0.00
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