Midwest Transmission an automotive parts rebulider and re-manufacturer can help you with your MP1225HD Transfer Case
Midwest transmission has been in the automotive re-manufacturing and rebuilding business for 19 years, and shipping completed units world wide. We specialize in manual MP1225HD transfer case replacementstransmissions, automatic transmission and transfer cases. We can help with improving performance and conversions. To improve quality Midwest was one of the first companies to include dyno testing of manual transmission prior to shipping as a final step in the quality control process. Our factory with 22 employees shipped over 9000 units last year. Guaranteed quality, correct parts supplied and expert help with every step in the process. You can see the complete line of products that we offer www.midwesttrans.com.
Take advantage of our MP1225HD free technical expertise!
Having issues diagnosing problems with your MP1225HD 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 MP1225HD 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! Also available are miscellaneous parts.
Below you will find a detailed list that includes rebuilt re-manufactured MP1225HD Transfer Cases, If you need more information or cannot find the parts you need give us a call, if you would like to save money, ask warranty 2 yearsabout our good take out parts (GTO), they are inspected and guaranteed. If you would like to save money ask about our good take out parts (GTO), they are inspected and guaranteed. Use our online shopping cart, just double click the part number and see additional information, add to cart or proceed to check out. If you need more information or cannot find the parts you need give us a call 888-824-2014.
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 MP1225HD
The MP1225HD, is RPO code NQG transfer case it is a Part Time Synchronized heavy duty transfer case it’s a 29 Spline input, 31 Spline rear slip, female spline front output, 1.5″ Chain, Two speed 2wd, 4Hi, 4Lo, N behind 6L90 Automatic transmission, 1032 to 1180 ft lbs of torque. This unit utilize the 5 pinion planet design.
Potential problems with the MP1225HD Transfer Case
This unit can have issues with case failure caused by out of balance rear driveshafts, at the first sign of vibration it is time to get the driveline inspected, repaired and high speed balanced before case failure. High mileage will contribute to failure of the range hub, range fork and input shaft, this failure is exhibited by the unit popping out of gear. Be sure that at each oil change you check the fluid level in the MP1225HD. Recommended fluid for the MP1225HD transfer case is Dextron ATF.
If you have purchased your Sierra, Silverado 150 used the very first order of business is to double check the tire diameters and tire pressure. Used car dealers may have mismatched the tires to make the sale. Mismatched tires will cause the MP1225HD transfer case to fail.
The correct quality parts the first time!
In addition to a rebuilt 12 month warrantied MP1225HD 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 can be a problem and knowing just what parts need to be replaced is 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 MP1225HD transfer cases plus Transfer Case parts. Our factory rebuilt re-manufactured Transfer Cases are tested before leaving the factory. Save yourself time and money!
We can assist you with the correct identification of the parts you need, don’t see what you need just give us a call 888-824-2012.
|2007-2010||2500 Sierra, Silverado, Suburban, Yukon XL||2007-Up|
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.
Transfer Case Identification
This information tag is located on rear of transfer case near where the driveshaft exits. Please supply the assembly number when ordering a replacement.
Use our online shopping cart, just double click the part number and see additional information, add to cart or proceed to check out.
Rebuilt Tested MP1225HD Transfer Cases 12 Month Warranty
|Year||Model #||Part Number||Application Model||Notes||Core||Your Cost|
|2007 2010||MP1225HD||TCGM065 U141-3||2500 Sierra, Silverado, Suburban, Yukon XL||
Floor Shift RPO Code NQG ID MD, My, OF
Assembly, #: 12578114
Assembly, #: 24243014
Assembly, #: 24245993
Assembly, #: 24247214
Assembly, #: 24252687
|29 Spline input, 31 Spline rear slip, female spline front output, 1.5″ Chain, 5 Pinion, Part time Synchronized, Two speed 2wd, 4Hi, 4Lo, N behind 6L90 Automatic transmission, 1032 to 1180 ft lbs of torque|
Miscellaneous Parts MP1225HD Transfer Cases
|Part Number||Model Year||Model||Description||Your Cost|
|TCRK-1225||07-10||2500||Bearing Rebuild Kit||$446.10|
|DTK-122/1225||08-10||Gasket & Seal Kit||$98.96|
|MWTGM19133044||08-10||1500 2500 3500||Fork Inserts||$1.92|
|MWTGM19133135||08-10||2500 3500||Driven Sprocket||$51.02|
|MWTGM19133055||08-10||250 3500||Hi Low Clutch||$126.67|
|MWTGM19133114||08-10||2500 3500||Oil Pump||$44.16|
|MWTGM19169061||08-10||1500 2500 3500||Range Fork||$27.34|
|MWTGM19132979||08-10||2500 3500||Input Shaft 29 T||$226.00|
|MWTGM19133056||08-10||1500||Hi Low Clutch||$64.48|
|GM19132986||08-10||2500 3500||HI Low Planet Carrier Assembly||$180.16|
|GM 19132987||08-10||2500 3500||HI Low Planet Carrier Assembly||$324.09|
|MWTGM19209164||08-10||2500 3500||Mode Fork Assy||$56.40|
|MWTGM19133033||08-10||1500 2500 3500||Hi Low Fork Pads||$5.04|