We offer the most complete line of rear end parts for the Ford 8.8 inch differential, this differential was utalized by Ford as early as 1981 in the F-100 pickup, Broncos in 1981 to 1984, E150 Vans starting in 1983. Mercury's including Capri and Cugars starting in 1986. Our inventory includes ring gear and pinion sets, including aftermarket and OE gear sets. We are able to supply axles, bearing overhaul kits, carriers, cases, spider and side gears. Positraction units we offer include Lockrights by Powertrax, Auburn, Detroit Lockers, Trac Loc and ARB air lockers. We are a Dana Spice volume distributor and offer a complete line or ring gear and pinions to the large Dana 80 differential. In addition to the Dana Spicer line we quality offer differential products.

ford8.8_large.jpg
   

 

 gear_guy.jpgWant to search for rear end parts by application call 800-216-1632 for help!

Having problems with Ford 8.8 rear end, need ring and pinion of differential parts.  We offer a complete line of rear end parts for your Ford 8.8 inch differential, this differential was utalized by Ford as early as 1981 in the F-100 pickup, Broncos in 1981 to 1984, E150 Vans starting in 1983. Mercury's including Capri and Cugars starting in 1986. Our inventory includes ring gear and pinion sets, including aftermarket and OE gear sets. We are able to supply axles, bearing overhaul kits, carriers, cases, spider and side gears.
 
Positraction units we offer include Lockrights, Powertrax no-Slip, Auburn, Detroit Lockers, Truetrac and ARB air lockers. We are a Dana Spice volume distributor and offer a complete line or ring gear and pinions to the large Dana 80 differential. In addition to the Dana Spicer line we quality offer differential products.

Specifications are provided below to assist you in the identification and setup as well as torque spec's for your Ford 8.8 differential.

Applications

What differential ratio do you have, do you have positraction?

MG Part #

OEM #

Teeth

Ratio

F8.8-308

E7TZ4209A

40-13

3.08

F8.8-327

E7TZ4209B

36-11

3.27

F8.8-331

F3UZ4209A

43-13

3.31

F8.8-355

E3TZ4209J

39-11

3.55

F8.8-373

E4TZ4209A

41-11

3.73

F8.8-410

E9TZ4209B

41-10

4.10

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.

Our PERFORMANCE...Gears OUTPERFORMS THE COMPETITION!!!!!!

 

Ford 8.8 Rear End Specifications

ford8.8silo_large.jpg

10-9/16"

10 HOLES
OVAL Gasket Pattern

 

  • Ring Gear DIAMETER 8.8"motivegear_ligduty_large.jpg
  • 10 7/16" X 20 RH THREADED BOLTS
  • PINION DIAMETER 1.626" 30 SPLINE
  • NO CASE BREAKS

    8620 Material Heat-Treated

    Assembly Specifications:

  • Cover Bolt Ft. Lbs. 28-38
  • 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. 70-85
  • Side Brg. Caps Ft. Lbs. 70-85

Upgrade Differential for your 8.8", add more strength to your truck, stop breaking gear sets!

 
Model

Year

  Model

Year

Aerostar W4.OL

90-96

  Capri V8

86-97

Bronco

81-94

  Cougar

88-97

Explorer

90 1/2-96

  Mercury Full Size

82-97

Ranger W4.OL

90 1/2-92

  Starting 1997 production model F150's IFS reverse cut gears.

After 1993 specify Ford tag number to properly identify axle model
E150-E250

83-96

 
F100

81-90

 
F150-250

81-96

 
 

Ford 8.8" Rear End Ring and Pinion Gears Products. 

To see more information or Purchase on line click Part Number.

 
 
 

Ford 8.8" Differential Ring Gear and Pinion Sets

 
Part # 

R&P Jobber Price

Part # Front Diff.

R&P Price

SUP-F8.8-308

$234.40

F888331IFS

$329.97

F8.8-327

$234.40

F888355IFS

$241.97

F8.8-331

$250.40

F888373IFS

$241.97

F8.8-355

$197.75

F888410IFS

$241.97

F8.8-373

$216.75

F888456IFS

$241.97

F8.8-410

$216.75

   
F8.8-430

$226.15

   
F8.8-433

$226.15

   
F8.8-456

$265.85

   
F8.8-488

$273.40

   
F8.8-514

$281.00

   
       

DTSR8.8RMK BEARING KIT

$91.81

   
 
 

 Ford 8.8" Differential Positraction Units

   
Description

Part Number

Price

Auburn Limited Slip 28 spline

542024

$470.25

Auburn Limited Slip 31 spline

542025

$498.95

ARB Air Locker 28 spline *

RD16

$1115.80

ARB Air Locker 31 spline *

RD81

$1115.80

Detroit Locker 31spline with ABS  more information & video 187C145A  $808.19 free shipping
Detroit Locker 31spline  w/o ABS   187C146A   $808.19 free shipping
Detroit Locker 28 spline    187C147A   $808.19 free shipping
Eaton Posi 28 Spline Ford car & truck 1979 and later

19605-010

$529.05 free shipping

Eaton 31 Spline Ford car & truck 1983 and later

19588-010

$529.05 free shipping

Truetrac  Eaton 28 Spline  912A562  $567.65 free shipping
Truetrac  Eaton 28 Spline 912A563  $567.65 free shipping
Trac-Loc 31 spline

SUP-FMM4204F-318

$375.00

Clutch Repair Pack Kit Ford Posi

MWF8.8CPK

$81.45

Powertrax no-Slip 8.8 28 spline open 3/4" shaft

92-0688-2807

$433.07

Powertrax no-Slip 8.8 28 spline Trac-Loc 3/4" shaft

92-0688-2827

$461.68

Powertrax no-Slip 8.8 31 spline open 3/4" shaft

92-0688-3107

$433.07

Powertrax no-Slip 8.8 31 spline open 7/8" shaft

92-0688-3108

$445.96

Powertrax no-Slip 8.8 31 spline Trac-Loc 3/4" shaft

92-0688-3127

$461.68

Powertrax no-Slip 8.8 31 spline Trac-Loc 7/8" shaft

92-0688-3128

$468.24

LockRight Solid Positraction 28 spline open differential 3/4" Cross Shaft

1820

$349.43

LockRight Solid Positraction 31 spline open differential 3/4" Cross Shaft

1821

$348.58

LockRight Solid Positraction 31 spline open differential 7/8" Cross Shaft

1822

$294.16

* Air compressor $205.00    
 

Ford 8.8" Differential Parts

     
Description

Part Number

Price

 
Case (Empty) 31 Spline OEM 87-Up

SUP65-2013

$139.89

 
Internal Part Kit (spider/side gears & cross-shaft) 31 spline

SUP85-2013

$174.40

Loud clunks when shifting into reverse may be eliminated by installation of Internal Parts Kit, check u-joints and yoke splines first.
Pinion Bearings and Races    $39.90
Bearing/Overhaul Kit

R8.8RMK

$91.81

Axle, 83-86 Bronco, 83 F100, 83-86 F150 31 spline, right side

PA-5389D

$154.17

Axle, 83-86 Bronco, 83 F100, 83-86 F150 31 spline, left side

PA-5389E

$124.17

 
Axle, 87-96 F150, Bronco, 87-97 E150 31 spline, right side

PA-5435A

$126.83

TOUGH Axles!

  • Superior Alloy
  • Induction Hardened
  • Rolled Splines
Axle, Axle, 87-96 F150, Bronco, 31 spline, left side

PA-5435B

$126.83

Axle, 87-UP E-150 31 spline, left side

PA-5568

$136.67

Axle, 90.5-94 Explorer/Mazda Navajo 31 spline right side

PA-5762

$146.62

Axle, 90.5-94 Explorer/Mazda Navajo 31 spline left side

PA-5763

$146.62

dialindicator_base_regular.jpg

Installation Tool, Your Cost $48.98 + S&H.

Axle, 95-present Explorer, 97-present Moutaineer, 31 spline right side

PA-5764

$166.86

Axle, 95-present Explorer, 97-present Moutaineer, 31 spline left side

PA-5765

$166.86

Axle, 97-up F150 & Expedition 31 spline; right side

PA-5564AA

$146.62

Axle, 97-up F150 & Expedition 31 spline; left side

PA-5564AB

$146.62

Axle, 79-93 Mustang 28 spline L&R 29-1/8"

PA-5683

$126.53

Axle, 79-93 Mustang 28 spline L&R 29"

PA-5775

$136.67

Axle, 94-Present w/o ABS 28 spline L&R

PA-5777

$136.67

Axle, 94-Present 28 spline L&R

PA-5779

$136.67

Positraction Ford 8.8 Clutch kit  

$82.53

 
Posi-internal repair kit Trac Loc 31 spline 7/8 shaft 1987 and newer (Clutch pack not included)

IPK8.8F-P31

$165.25

 
Carrier Shim Kit

USACSK-2

$21.33

Your gears run cooler and last longer!

 

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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 $36.76.

Seal, Pinion Yoke

NAT-3604

$19.06

Bearing, Axle 2.250 Outside Diameter

R1563-TAV

$15.49

Bearing, Axle 2.535 Outside Diameter

R1559-TV

$15.79

Installation Kit use when installing a new ring and you don't what new bearings . Kit includes new ring gear bolts, pinion seal, nut, crush sleeve, shims. Carrier shims marking compound and gasket.

DTSDSF8.8IK

$34.64

dsf8.8ik_large.jpg

Differential Cover
F150, Ranger, Explorer, Bronco, Cars Increase the fluid capacity, you will find that the fluid will run 15 to 20 degrees cooler. 3 quarts to 4 quarts, 3 1/4" overall height
ford8_8coverback_large.jpgford8_8_coverinside_large.jpg

DTSFord10 Bolt 8.8

$255.00

 
Installation Kits include: Pinion nut, Pinion seal, crush sleeve, pinion shims, carrier shims, ring gear bolts, locking compound, brush & gasket. Overhaul kit includes: all of the above plus pinion bearings, races, carrier bearings and races all TIMKEN quality.
 

Differential Assemblies

  Drum to Drum Disk to Disk - complete assemblies including axles, ring gear, pinion, internal kit to brake flanges some units even have brakes including hubs.

Description

Part Number

Price

Ford 8.8 Open Carrier 3.08 Ratio Drum

SIXFD88-308

$833.32

Ford 8.8 Open Carrier 3.08 Ratio Disk

SIXFD88-308

$833.32

Ford 8.8 Open Carrier 3.27 Ratio Drum

SIXFD88-327

$833.32

Ford 8.8 Open Carrier 3.27 Ratio Disk

SIXFD88-327

$833.32

Ford 8.8 Open Carrier 3.55 Ratio Drum

SIXFD88-355

$833.32

Ford 8.8 Open Carrier 3.55 Ratio Disk

SIXFD88-355

$833.32

Ford 8.8 Open Carrier 3.73 Ratio Drum

SIXFD88-373

$833.32

Ford 8.8 Open Carrier 3.73 Ratio Disk

SIXFD88-373

$833.32

Ford 8.8 Carrier 3.73 Ratio Drum Locker

SIXFD88-373L

$833.32

Ford 8.8 Open Carrier 4.10 Ratio Disk

SIXFD88-410

$833.32

Ford 9.75" upgrade for 8.8" these differentials are one inch wider than 8.8" have been modified to use your existing wheel & tires. Available with 3.50 or 3.73 ratio includes positraction and ABS.

SIXFD975-350

$1150.00