BW4404 Transfer Case Ford and Mercury Transfer Case Buy Factory Direct & Save, we Ship World Wide!

Midwest Transmission an automotive parts rebulider and re-manufacturer can help you with your BW4404

Below you will find a detailed list that includes rebuilt re-manufactured BW4404 Transfer Cases, a complete parts list including: bearing rebuild kits, gaskets, seals, thrust washers, bushings individual bearing, chain, sprockets, cases housings and miscellaneous parts. If you need more information or cannot find the parts you need give us a call, if you would like to save money, ask about our good take out parts (GTO), they are inspected and guaranteed. Guaranteed quality and correct parts supplied. You can see the complete line of products that we offer www.midwesttrans.com.

Take advantage of our BW4404 expertise!

Having issues diagnosing problems with your BW4404 transfer case? We can help free knowledgeable technical support! To speak to a Drivetrain Expert or to place an order call us toll free 888- 824-2012. We have a large inventory of rebuilt BW4404 transfer cases plus Transfer Case parts. Our factory rebuilt re-manufactured transfer cases are tested before leaving our factory to ensure quality, saving you both time and money!

Free Technical Support, Get Expert advice about your BW4404 transfer case. Call toll free at 888-824-2012. Save Money no hassle 12 month warranty!
bw 4404 transfer case

Our rebuilt transfer Cases include all new bearings, gaskets, seals, chains clutch and viscous couplers where used. These units are tested before leaving the factory.

About the BW4404

The BW4404 transfer case was manufactured by Borg Warner. This model is chain driven. The BW4404 is AWD torque on demand, part time transfer case. The BW4404 was used in Ford Explorer and Mercury Mountaineer's medium duty vehicles. This unit was utilized beginning in 1996. Select this link to see what models that use this Transfer Case.

The BW4404 has magnesium cases and utilizes a viscous clutch system, this case was manufactured with left side drop output and has a low gear ratio of 2.72 to 1. The units are provided with both 4 bolt flat flange and 6 bolt cup flanges in the front neither are removable externally. They are equipped with 4 bolt removable flat flanges on the rear..

Potential problems with the BW4404 Transfer Case

This unit can have issues with premature chain and sprocket and viscous coupler wear causing failure, also high mileage failures of these parts have been seen. Another problem associated with the BW4404 transfer case is input shaft failure. However, In general the BW4404 design is very good for the horsepower rating that it is specified for, receives good ratings for operation in snow conditions.

If you have purchased your vehicle used the very first order of business is to double check the tire diameters. Used car dealers may have mismatched the tires to make the sale. Mismatched tires will cause the BW4404 transfer case to fail. Recommended fluid for the BW4404 transfer case is automatic transmission fluid (ATF).

automatic transmission rebuilt

Get the correct quality parts the first time for your BW4404!

In addition to a rebuilt 12 month warrantied BW4404 transfer cases we offer all parts required to rebuild your unit, we have new parts and per your request we can provide good used takeout parts to save you money! Part identification is occasionally a problem and knowing just what parts need to be replaced can be an issue, we can help by identification of associated parts that should be replaced when one part fails. Take advantage of our expertise! Buy parts from Midwest Transmission Center and receive bonus free telephone expertise to assist you in diagnosing the problem, part(s) required and additional phone assistance when you are in the re-assembly processes if required. We have a large inventory of rebuilt BW4404 transfer cases plus Transfer Case parts. Our factory rebuilt re-manufactured Transfer Cases are tested before leaving the factory. Save yourself time and money!

Free BW4404 Transfer Case parts illustration

We provide a detailed list of rebuilt BW4404 units and parts that are available plus detailed assembly illustrations to help you in parts identification and the purchasing phase of the rebuild process. Rebuilt BW4404 transfer cases include all new bearings, gaskets, seal, clutch parts, chains and filters.

Below we provide a BW4404 parts illustrations to assist you with the correct identification of the parts you need. Select the parts you require from the the list below and give us a call 888-824-2012.

This information may also be on a paper tag. F67A-MA and F67A-EB are examples of BW4406 assembly number. Please supply this number when purchasing a rebuilt transfer case to insure direct drop in replacement!

Need Stronger Parts?

Cryogenic Treat any shaft or gear. This cryo treatment will add 30% in component strength. Call 888-824-2012 for a quote.

Applications  
Model Years
Ford Explorer Front & rear flat circular flange 1996-1997
Ford Explorer Front Cup Yoke & Rear Flat Circular Flange AWD 1997-2001
Mercury Mountaineer Front & rear flat circular flange 1997
Mercury Mountaineer Front Cup Yoke & Rear Flat Circular Flange AWD 1998-1999

Rebuilt BW4404 Transfer Cases 24 Month Warranty

DESCRIPTION PART NUMBER
YOUR COST
1998 MERCURY MOUNTAINEER MWTTCFRD032
$933.33
Core Deposit on above Transfer Case
$350.00

Rebuilt Bearing Kits BW4404 Overhaul Parts Transfer Case

DESCRIPTION PART NUMBER
YOUR COST
BEARING KITS
BW 4404 (Cast 44-04) (Uses a Speedo in Rear Case) MWT-4404
$113.00
BW 4404 (Cast 44-04) (no Speedo in Rear Case) TRSBK4404A
$69.20

Gaskets, Seals, & Filter BW4404 Transfer Case

DWG # DESCRIPTION PART NUMBER
YOUR COST
GASKET & SEAL KITS
NI BW 4404 TRSTSK4404
$37.50
SEALS
070D Input Seal MWT1900-044-012
$3.49
080C Front Output Seal MWT200252
$3.49
082B Rear Output Seal MWT200252
$3.49
GASKETS
NI Adapter to Transfer Case to (9 Holes) TRS345304
$12.76
NI Transfer Case to Adapter Gasket (7 Holes) TRS315304
$1.89
NI Transfer Case to Adapter Gasket (6 Outside Holes) 100146
$1.89
NI Transmission to Adapter Gasket (AOD, AODE, 4R70W) TRS76305
$3.18
Transmission to Adapter Gasket (C-3, A4LD, 4R44E, 4R55E) TRS56305
$3.30

Bushings & TH Washers BW4404 Transfer Case

DWG # DESCRIPTION PART NUMBER
YOUR COST
BUSHINGS
067D Front Case 100146
$11.21
WASHERS
248B Sun Gear to Planet Washer
 
1900-193-005
 
$3.99
249B Rear Planet to Ring Gear Hub 1900-193-006
$4.69

Bearings BW4404 Transfer Case

DWG # DESCRIPTION PART NUMBER
YOUR COST
BEARINGS
220B Rear Output Shaft Bearing (Front) 6009
$13.89
220B Rear Output Shaft Bearing (Rear) 6006
$8.35
211A Drive Sprocket Bearing 6009
$13.89
Input Pilot Bearing MWTBH1310
$7.95
Front Output Shaft Bearing (Front) 6206N
$9.33
Front Output Shaft Bearing (Rear) 6206N
$9.33
  Bearing Rear Output 6207N
$12.66

Planet and Input Shaft BW4404 Transfer Case

DWG # DESCRIPTION PART NUMBER
YOUR COST
PLANETS
588B Planet 4472-659-003
$240.00
SHAFTS
670A Input Shaft F67Z-7017AA-R
$277.27

Cases & Housings BW4404 Transfer Case

DWG # DESCRIPTION PART NUMBER
YOUR COST
CASES & HOUSINGS
760-1D Case Half (Front) TRS345670A-1
$446.44
760-2D Case Half (Rear) (No Speedo Hole) TRS345670A-2
$199.90

Chains & Sprockets BW4404 Transfer Case

DWG # DESCRIPTION PART NUMBER
YOUR COST
CHAINS & SPROCKETS
700C Chain (125” Wide) 37 Links (1 Blue Link) (40L) CL10-051
$90.33
700C Chain (125” Wide) 37 Links (2 Blue Links) (50L) CL10-070
$119.33
NI Chain Guide TRS345991
$13.83
805A Drive Sprocket F67Z-7177AA-RA
$46.67
806C Driven Sprocket F672-7177BA-R
$76.13

Miscellaneous Components BW4404 Transfer Case 

DWG # DESCRIPTION PART NUMBER
YOUR COST
MISCELLANEOUS COMPONENTS
676-1A Oil Funnel (Input Shaft) TRS346676-1A
$2.49
550A Viscous Coupler MWTF67Z-7L499AA-R
$300.00

Click Images to enlarge and shrink

bw 4404 parts illustration