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Fasteners & Studs

Heavy Duty Fasteners & Studs for the 5.9L Cummins Diesel. Pure Diesel Power offers rod bolts, standard and extra long main studs, headstuds by A1 and ARP along with accessories such as bottoming taps and ARP Ultra Torque Assembly Lube.

Please keep in mind when ordering parts:
All engine blocks 1997.5 & newer have "Encore" blocks. (these have 2 turbo oil return holes on the passenger side of the block)
They have 12mm main studs and must be drilled & tapped to 14mm x 2.00 to allow use of 14mm head studs.
89-97.0 Engine blocks have 14mm main bolts, so no modification is needed to use 14mm main studs.
All Cummins 5.9L engines 89-07 have 12mm head studs from the factory and require drilling & tapping to accept 14mm head studs.

Brand: Pure Diesel Power Part Number: PDPMANSTUDS
Installing a new exhaust manifold, or simply removing a stock or aftermarket manifold to change gaskets? If so, you'll find that it is a real hassle to keep the gaskets in place when using standard bolts. These work on:89-98 12 Valve Cummins engines using an AFTERMARKET exhaust manifold. They WILL ..
$52.99

Brand: Automotive Racing Products Part Number: 247-4202
ARP 12mm Head stud kit for the 1998.5+ Dodge 5.9L & 6.7L Cummins Turbo Diesel ARP cylinder head stud kits are precision centerless-ground and thread-rolled to Mil-S-8879 specs. Their black oxide finish protects them from wear and corrosion, and ARP throws in hardened parallel washers for uniform lo..
$471.70

Brand: Automotive Racing Products Part Number: 247-4204
New Age 625 12mm Head stud kit for the 98-2009 Dodge 5.9L & 6.7L 24 Valve, Common Rail Cummins Turbo Diesel With performance enthusiasts adding increasing amounts of turbo boost to diesel applications, ARP has provided an extra measure of security in the form of extra-strong head studs manufactured..
$1,200.00 $1,200.00

Part Number: 12mmx1.75 Bottom Tap
Cummins 12MM Head Stud Bottoming Tap We recommend you bottom-tap your engine block head-stud threads when installing 12mm ARP or A1 head studs to ensure maximum clamping force. Some Cummins blocks are not threaded completely. 12mm x 1.75 Picture for representation purposes only...
$26.46

Brand: Automotive Racing Products Part Number: 1054009
89+ Dodge 5.9L & 6.7L Cummins Diesel Heavy Duty Rod Bolts Made By ARP THESE ARE MADE SPECIALLY BY ARP FOR OUR SUPPLIER. ARP DOES NOT SELL THEM DIRECT. L19 MaterialBlack OxideFor B Series Cummins, 1989 & UpWorks on machined cap & cracked cap rods.  Recommended for high horsepower high RPM applicati..
$169.75

Brand: Automotive Racing Products Part Number: 100-9910
Ultra-Torque Assembly Lube w/Brush Top Container 1/2 PintGets you within 5% of the required pre-load on the first pull and stays consistent with each subsequent cycle-race prep, machining, pre-assembly and final assembly. Premium grade moly base with rust and corrosion inhibitors. Effective lubr..
$19.22 $20.30

Brand: Automotive Racing Products Part Number: 247-5402
89-97 Dodge 5.9L Cummins 14mm Main Studs STUDS vs. BOLTS ARP recommends the use of main studs over bolts whenever possible for several key reasons. First is the ability to obtain more accurate torque readings because studs don’t “twist” into the block. All clamping forces are on one axis. By t..
$306.26 $306.26

Brand: Automotive Racing Products Part Number: 247-5401
97.5-2007 Dodge 5.9L Cummins Main Studs Not sure if yours is a 97.5 block? Look on the passenger's side of the engine. If there are 2 turbo drain ports, you have a 97.5. Please call if you have further questions. STUDS vs. BOLTS ARP recommends the use of main studs over bolts whenever possible fo..
$246.05 $271.48

Brand: Cummins Part Number: 14x3927948
For all Encore Blocks 97.5-2002. Encore blocks have 2 oil drains and 12mm main studs from the factory. Also fits all 03-07 5.9L Cummins & 07.5+ 6.7L Cummins engines.  14x Cummins part number: 3927948..
$87.00

Brand: Automotive Racing Products Part Number: 100-9911
Ultra-Torque Assembly Lube w/Brush Top Container 1 Pint CanGets you within 5% of the required pre-load on the first pull and stays consistent with each subsequent cycle-race prep, machining, pre-assembly and final assembly. Premium grade moly base with rust and corrosion inhibitors. Effective lu..
$28.95 $30.52

89-2002 Dodge 5.9L Cummins Rod Bolts, Set of 12
-10 %
Brand: Cummins Part Number: 12x 3900919
Set of twelve factory OEM Cummins rod bolts. For 1989 to 2002 Cummins 5.9L Diesels. Cummins part number: 3900919..
$108.00 $120.00

Brand: Automotive Racing Products Part Number: 247-5403
Dodge Cummins 5.9/6.7L diesel w/girdle (2004 & later) Main Stud Kit Key features of main studs: Ability to obtain more accurate torque readings. Studs don't "twist" into the block. Clamping forces are on one axis. Less force exerted on the block threads, which contributes to improved block lif..
$282.92 $282.92

Brand: Haisley Machine Part Number: HMR 1054008HD
  HD H11/L19 12mm Head stud kit for the 1998.5-2018 Dodge 5.9L & 6.7L 24 Valve Cummins Turbo Diesel These studs are made from L19, a H11 Equivalent and have a gold color, 260 KSI Min.Recommended for applications exceeding 80PSI of boost.Stud Sets Include: 26 Studs, Nuts, & Washers ARP Moly Lub..
$743.40

Part Number: 4007XHD-DOWEL
Cylinder Head Alignment Dowel Pin (2 included) Use with 14MM Head Stud Kits..
$21.75

Brand: Automotive Racing Products Part Number: 100-9909
Ultra-Torque Assembly Lube1.69oz tube. Gets you within 5% of the required pre-load on the first pull and stays consistent with each subsequent cycle-race prep, machining, pre-assembly and final assembly. Premium grade moly base with rust and corrosion inhibitors. Effective lubrication range -30° to..
$7.86

03+ Dodge 5.9L/6.7L Cummins Rod Bolts, Set of 12
-13 %
Brand: Cummins Part Number: 12x4891179
Cummins part number: 4891179 Set of 12. ..
$104.00 $119.79

Brand: Haisley Machine Part Number: XL14MMStuds
These extra heavy duty XL 14mm XHD studs are made from H-11 and have a glass bead finish, 220 ksi min. Formerly Made By A1 TechnologiesKIT INCLUDES: 14 Extra Long STUDS, WASHERS & 12PT NUTSThesE STUDS ARE DESIGNED TO BE USED WITH THE CUSTOM MODIFIED GIRDLE WE SELL. IMPORTANT NOTE: ALL ENGINE BLOC..
$430.00

Part Number: 14mmx2.00 Bottom Tap
Cummins 14MM Head & Main Stud Bottoming Tap 14mm x 2.00 Picture for representation purposes only...
$39.49

Brand: Cummins Part Number: 14x3904217
Backordered with TO END OF APIRL  (updated 3/23/2020) FOR ALL NON-ENCORE BLOCKS OR ENCORE BLOCKS THAT HAVE BEEN DRILLED AND TAPPED FOR 14MM. 14x Cummins part number: 3904217..
$391.00 $425.00

Brand: Haisley Machine Part Number: 1054008XHD
These extra heavy duty 14mm XHD studs are made from L19 and have a glass bead finish, 220 ksi min. Studs hold 80PSI+ Boost STUD SETS INCLUDE: * 26 STUDS, NUTS & WASHERS * ARP MOLY LUBE * INSTRUCTIONS XHD head studs are 14mm and require that you drill and tap the block and ream the head. We recomme..
$790.55

Part Number: 711765
A smooth light-bodied grease which contains a zinc-oxide anti-wear additive made especially for motor assembly and engine rebuilding. This product prevents “Dry Start.” It provides necessary lubrication during initial start up before the motor oil has circulated. Prevents damage from scuffing scorin..
$10.25

Brand: Haisley Machine Part Number: HMR 1054007XHD
These extra heavy duty 14mm XHD studs are made from H-11 and have a glass bead finish, 220 ksi min.Recommended for all high performance engine applications.  We also recommend these if the engine is out of the truck for future use. It will be necessary to drill and tap the block to install these st..
$790.55

Brand: Cummins Part Number: 4891179
Cummins part number: 4891179 Sold as one rod bolt..
$9.00

Brand: BD Power Part Number: 1045982
Replace the broken or stretched exhaust manifold bolts on your 1998.5-2018 Dodge 5.9L/6.7L Cummins with the BD-Power 1045982 Exhaust Manifold Bolt & Spacer Hardware Kit. The exhaust spacers are black oxide coated and allow the fasteners to stretch without fracture or permanent yield. This exhaust ma..
$79.89

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