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Differentials, Axles & Rear-End Parts
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ARP Carrier Fasteners
When assembling a rear-end, optimum reliability can be obtained by employing ARP rugged carrier fasteners. These chromoly bolts and studs are made of 8740 alloy, heat-treated to a nominal tensile strength rating of 200,000 psi, and black oxide finished.
( 19 )
$25.99
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$31.99
Sierra Marine Drive Unit Caps
Sierra Marine drive unit caps are made to outperform the original equipment part(s) they are replace. Each Sierra product is engineered to withstand the harsh marine environment while meeting today's high horsepower engine specifications. Order the drive unit component designed for your application.
Not Yet Reviewed
$164.99
On Sale
Artec Industries APEX 1-Ton Front Differential Top Caps
Artec Industries 1-ton APEX front differential top caps are included in swap kits with the Daystar bushings or RockJock Johnny Joints UCA brackets, but not with the single adjustable truss upper link mount kits. Artec conveniently offers the APEX front differential top caps individually. These heavy-duty caps are CNC-cut and bent from thick mild steel and will weld directly to the differential casting, allowing the mounting of driver side upper control arm brackets. Choose the one designed to match your vehicle's application.
Not Yet Reviewed
$71.49
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$76.99
$57.19
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$61.59
Moser Engineering Replacement Main Cap Stud Kits
Moser Engineering replacement main cap stud kits reduce unwanted movement inside of the rear-end of your vehicle.
( 18 )
$60.00
Trick Flow® Differential Bearing Cap Stud Kits
These Trick Flow® differential bearing cap stud kits increase your differential's strength by replacing the stock differential carrier bearing cap bolts with studs. These kits include the necessary studs, nuts, and washers for a complete installation.
( 7 )
$40.99
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$43.99
Summit Racing™ Differential Bearing Cap Stud Kits
Are you looking to strengthen your differential? If so, then these Summit Racing™ differential bearing cap stud kits are for you. These kits include the necessary studs, nuts, and washers for a complete installation.
( 7 )
$41.99
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$51.99
Strange Billet Aluminum Differential Main Bearing End Caps
These Strange billet aluminum differential main bearing end caps are lighter and far superior in strength to OEM caps. They are manufactured from heat-treated 2024-T351 billet aluminum and will provide exceptional durability at minimal weight. The end caps include 12-point chromoly steel and black oxide finished mounting hardware to complete installation.
( 16 )
$119.99
OMIX-ADA Differential Bearing Cap Bolts
OMIX-ADA even has the small stuff to service your Jeep. Their differential bearing cap bolts secure your Jeep's bearing cap. OMIX-ADA direct OE replacement Jeep parts and accessories are built to the original specifications.
Not Yet Reviewed
$2.99
Trail-Gear Axle Flange Dust Caps
Trail-Gear axle flange dust caps are made from zinc-plated steel and they allow you to use aftermarket Birfields without needing to use the 1994-97 tall FJ80 drive flanges. These are direct replacements. Missing a cap? TG has replacements.
Not Yet Reviewed
$6.99
Yukon Gear & Axle Differential Bearing Cap Stud Kits
Are you looking to strengthen your differential? If so, then these Yukon Gear & Axle differential bearing cap stud kits are for you. These kits include the necessary studs, nuts, and washers for a complete installation.
Not Yet Reviewed
$93.99
Trick Flow® Differential Covers
Trick Flow® heavy-duty differential covers feature cast aluminum construction and extreme-duty bearing cap support studs for uncompromised gear protection. Jam nuts, support studs, stainless steel ARP bolts, 3/8 in. magnetic drain plug, and a gasket are included. The covers are available for fitment on a variety of Ford and GM differential case designs.
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$199.99
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$224.99
Summit Racing™ Differential Support Covers
These Summit Racing™ differential support covers have a heat-treated re-enforced aluminum body which helps keep bearings and ring gears in place. The incorporated, adjustable load bolts support the cap which helps prevent cap deflection and breakage, and also ensures pinion depth and backlash remain correct.
( 198 )
$199.99
Yukon Gear & Axle Drive Flange Caps
Yukon Gear & Axle drive flange caps are designed to keep your axle sealed up and free from dirt, dust, or other debris that could cause harmful damage. They are manufactured from billet aluminum and bolt in place with countersunk Allen head bolts, sold separately. Order the caps designed to fit your axle application.
Not Yet Reviewed
$158.99
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$542.99
Spicer Drivetrain Products Front Axle Shafts
Spicer Drivetrain Products front axle shafts feature an increased U-joint size that provides 25 percent higher yield strength than original U-joints. They offer unparalleled strength and longer life—the outer stub is re-engineered for added strength; improved snap ring retention reduces shock load failures; and material has been removed from the body and added to the yoke ears (to equalize deflection through the yoke and reduce bearing cap spinning). The axles are made from durable steel, with a micro-alloy improving their strength and a statistically controlled heat treatment ensuring proper hardness. Order the replacement model designed for your vehicle application.
( 131 )
$95.99
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$2,311.99
Moser Engineering Aluminum Differential Covers
Moser Engineering performance aluminum differential covers are made of 356 T6 aluminum and are designed to improve ring and pinion gear life, as well as the appearance of your vehicle. They are a support-style cover that stiffens up the main cap area, helping your gears to last longer and even further reduce the amount of ring deflection. The covers weigh only 6 lbs. and include all necessary bolts, washers, and gaskets.
( 261 )
$245.00
Rhodes Race Cars Fabricated Ford 9 in. Housings
When it comes to high-horsepower applications, Rhodes Race Cars fabricated Ford 9 in. housings are the only way to go. Available in 48 in. and 60 in. lengths, all the kits feature face plates with 3/8 in. press-in studs, billet aluminum fill caps, and drain fittings. Mild steel housings have 3 in. axle tubes; chromoly housings use 3 1/2 in. axle tubes. They are available with many different options--get one for your ride today. Un-welded kits require a rear end housing fixture (sold separately) to ensure proper axle alignment. Welded kits are available from mild to wild for a wide range of horsepower applications and feature: * Housing ends of your choice * 4-link or ladder bar brackets * Mild steel or chromoly back braces
( 17 )
$274.95
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$789.95
Proform Perfect Launch Differential Covers
You've improved your reaction time and now it's time to inform your competition. Proform Perfect Launch differential covers state the facts with their logo machined on the raised reinforcing surface. These rear-end covers are made of lightweight but tough aluminum and have been specifically designed to add strength to the rear housing case, particularly during heavy torque situations. Precision-milled and painted black, these Perfect Launch covers include two bolts to stabilize bearing main caps, two magnetic drain plugs, and mounting bolts. You can lose a little weight in your rear-end and send a message to your competition with Perfect Launch reinforced differential covers from Proform.
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$147.99
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$161.99
Ford Performance Parts Axle Girdles
Ford Performance Parts axle girdles are a great way to strengthen the rear-end of your car. Made of lightweight aluminum, they incorporate load bolts that provide additional support for differential bearing caps. Because they reduce the amount of flex in your differential while under load, they significantly reduce bearing wear and chipped teeth on the ring and pinion. They provide increased ring and pinion gear life and are a definite must for all racing and high performance street cars. Additional information: * Available for a variety of applications, including some independent rear suspensions * Replaces OE rear cover * Covers with cooling fins and machined for differential cooler pickup and return fittings recommended for road racing or extended high-speed/high-temperature applications * Models equipped with differential coolers may require modifications * Check exterior clearance to chassis/suspension
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$249.99
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$301.99
Summit Racing™ Third Member Cases
Choose extra-strength Summit Racing™ third member cases for your race car. Our new, meatier 9 in. Ford carrier housings are quality-built and are priced to fit your budget. Nodular iron Summit Racing™ cases feature forged steel caps and 1/2 in.-13 heavy-duty Grade 8 cap bolts. House your carrier to handle racing abuse with Summit Racing™ third member cases.
( 28 )
$269.99
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$270.99
Proform Chevy Bowtie Differential Covers
Proform Chevy Bowtie differential covers are reinforced lightweight aluminum designs that strengthen the rear housing case in heavy-torque situations. These Officially Licensed Chevrolet Performance Parts have the familiar Bowtie emblem raised and precision milled on a cast gray or black crinkle coated surface. Each cover includes two bolts to stabilize bearing main caps, a fluid capacity plug, a magnetic drain plug, and Grade 8 mounting bolts. Dress up your GM's rear-end; choose the Proform Chevy Bowtie differential cover designed to fit your ride.
( 29 )
$201.95
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$227.95
ARB Differential Covers
When off-road, encountering obstacles and hazards that could inflict expensive damage to your differential is inevitable. ARB differential covers are made from high-tensile strength nodular iron (tougher and harder than carbon steel); they are engineered to protect the differential and ring and pinion from off-road hazards. Available for a select line of differentials, they are offered in red or black powdercoated finishes. Features of ARB differential covers include: * Computer-optimized, cross brace design increases the structural rigidity of the entire axle * Helps keep the ring and pinion gears meshing on the flat faces of the teeth--greatly increasing ring and pinion life and overall strength * Top-quality, rare earth magnets on both the drain plug and dipstick collect metallic particles * Dipstick magnet allows the oil to be checked for tell-tale signs of internal damage * Prolonged carrier bearing life (especially on high-output vehicles) from improved support of bearing alignment * Approach/departure angles optimized by angled exterior surfaces that minimize hang-ups * Unique dipstick/filler cap design allows differential oil level to be adjusted for rotated differential housings * Low-profile drain plug resists damage from obstacles * High-strength cap screws (included) are recessed into the cover for impact protection
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$209.95
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$219.95
Allstar Performance Power Steering Reservoirs
Allstar Performance offers a selection of power steering reservoirs in lightweight aluminum for race vehicles. They have universal-fit tanks with baffle in the return fitting to prevent foaming and cavitation, as well as an economical version with no internal baffles. Both versions are available with or without mounting brackets. Allstar power steering reservoirs will meet your needs and your budget.
( 31 )
$89.99
Moser Engineering Nodular Iron Cases for Ford 9 in.
Moser Engineering tough nodular iron cases for Ford 9 in. will stand up to your high performance needs. They are heat-treated and stress-relieved before any of the CNC machine work is done. The cases have forged steel caps with 5/8 in. bolts, machined adjusters, and are tapped for an oil filler plug.
Not Yet Reviewed
$465.00
Rugged Ridge Manual Locking Hubs
Rugged Ridge manual locking hubs are crafted from impact-resistant nodular iron and feature a corrosion-resistant die-cast aluminum cap. They provide better 4WD performance when locked (and improved fuel economy in 2WD when unlocked) than automatic hubs. These hubs don't have the slippage or partial engagement/disengagement issues that plague automatic hubs. They're durable, easy to install, and cost-effective! Order the pair of Rugged Ridge manual locking hubs designed to fit your application.
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$199.99
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$309.99
