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Ford 10.25" & 10.5" DIFFERENTIAL COMPONENT PARTS
We offer a complete line of rear end parts for the Ford 10.25 and 10.5 inch differentials, this differential was utalized by Ford in the F-350 and F-450 starting in 1983; our inventory includes ring gear and pinion sets, including aftermarket and OE gear sets. You can purchase high quality ring and pinion sets in various ratios, high quality bearing rear end bearing overhaul kits including pinion bearings, pinion seal, crush sleeve, pinion nut, shims, ring gear bolts, marking compound and gasket. We also supply axles, carriers, cases, spider and side gears. Positraction units we offer include Lockrights by Powertrax, Auburn, Detroit Lockers, Trac Loc and ARB air lockers. Specifications are provided below to assist you in the identification and setup as well as torque spec's for your Ford 10.25 differential. Along with our quality parts you have access to applications information for available ring and pinion ratios, information to assist you in identification of the differential that you have. Free information on ring and pinion installation is provided alone with specification and carrier/case breaks when you are considering gear ratio changes. You can review applications available to assist you with selection of the specific positraction unit that you may need to improve your performance.

Applications Model Year Model Year F-350 83-03 F-450 83-99 MG Part # OEM # Ratio F10.25-308 E5TZ4209A 3.08 F10.25-355 E5TZ4209A 3.55 F10.25-373 E5TZ4209A 3.73 F10.25-410 E5TZ4209A 4.10 F10.25-456 E5TZ4209A 4.56 What differential ratio do you have? Need information on how to setup ring and pinion backlash Purchase your parts @ drivetrain.com and receive telephone access to experienced differential technician to assist you with installation, we help you solve the problem.

12-1/2" 12 HOLES IRREGULAR Gasket Pattern SPECIFICATIONS Ring Gear DIAMETER 10.25" 12 1/2" X 20 RH THREADED BOLTS PINION DIAMETER 1.940" 31 SPLINE NO CASE BREAKS 8620 Material Heat-Treated Assembly Specifications: Cover Bolt Ft. Lbs. 28 Pinion Brg. Preload In. Lbs 16-29 Pinion Brg. Preload In. Lbs 8-14 Used Ring Gear Backlash .008-.015 Ring Gear Bolt to case Ft. Lbs. 100-120 Side Brg. Caps Ft. Lbs. 70-85

Ford 10.25 Sterling Ring Gear and Pinion 1983-1992       Part # Tooth Count Ratio R&P Jobber Price   F10.25-308 E5TZ4209A   3.08 $325.25   F10.25-355 E5TZ4209B 39-11 3.55 $260.65   F10.25-373* E5TZ4209C 41-11 3.73 $260.25   F10.25-410* E5TZ4209D 41-10 4.10 $260.25   F10.25-456* 41.9 4.56 $260.25   DTAR10.25RMK BEARING KIT 10.25" Late     $182.22   DTSR10.25RMK BEARING KIT 10.25" Sterling     $182.22   * You must change yoke if 1994 or later model. Yoke E5TZ4851 (1330) series or E7TZ4851A (1350) series. 1994 and later can user F10.25L late ring and pinion series with no yoke change.       Ford 10.25 (Late) Ring Gear and Pinion 1993-up     F10.25-355L   39-11 3.55 $290.95   F10.25-373L F81Z4209AA 41-11 3.73 $290.95   F10.25-410L F81Z4209AB 41-10 4.10 $290.95   F10.25-4.56L   41-9 4.56 $290.95   F10.25-489L   44-9 4.89 $290.95   F10.25-513L   41-8 5.13 $290.95   R10.25RMK BEARING KIT       $196.50

Your gears run cooler and last longer! Order above high performance synthetic oil and friction additive combo kit at time of order for ring and pinion or bearing overhaul kit and pay only $46.76, 4 quarts. Quality guaranteed performance

Ford 10.5 Ring Gear and Pinion 1999-2002
F10.5-355		39-11		$290.90		12-1/8"x 13 5/16" 14 HOLES IRREGULAR Gasket Pattern SPECIFICATIONS Ring Gear DIAMETER 10.5" 12 1/2" X 20 RH THREADED BOLTS PINION DIAMETER 1.910" 31 SPLINE NO CASE BREAKS 8620 Material Heat-Treated
F10.5-373		41-11		$290.90
F10.5-4.10		41-10		$290.90
F10.5-4.56		41-9		$290.90
F10.5-4.89		41-8		$290.90
F10.5-5.13				$290.90
R10.5 RMK BEARING KIT				$196.50

In addition to the Ford 10.25 inch differential parts and accessories listed here, we also provide an impressive list of automotive after market products for car, pickup truck, SUV and 4wd repair parts and accessories that includes rear end covers, ring and pinion gears, OE clutches and heavy duty performance clutches, diesel gauge kits, exhaust brakes, re manufactured manual transmissions and both manual and automatic overhaul kits. Other products we offer for the RV recreational vehicle market include REMCO drivelinedisconnects, tow bar and baseplates and auxiliary overdrive units to improve vehicle performance and save fuel. We have a complete 4 wheeling drivetrain product line including complete differential assemblies, limited slip and other solid locking positractions. We offer transmission conversion kits including the NV4500 and NV5600 as well as replacement kits for light duty GM and Jeep transmissions. You may be interested in visiting our Ford and Powerstroke Diesel page, Dodge Ram and other Jeep pages for detailed information.

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Drivetrain Specialists of Las Vegas - Las Vegas NV, 89102