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GMC Sierra 2500 HD Transmission Service Kits

Transmission service kits for the GMC Sierra 2500 HD cover model years 2001–2026 and include a range of components from filter kits to shift kits and valve body kits. Pick your GMC Sierra 2500 HD's year above to narrow the list to transmission service kits with confirmed fitment. Every part shown is checked against our vehicle data.

1 - 18 of 18 results

Best Seller Free Shipping
Picture of B&M 80775 Unimatic Automatic Detent Shifter Universal 3-Speed 4-Speed

B&M 80775 Unimatic Automatic Detent Shifter Universal 3-Speed 4-Speed

93 reviews
Part: 80775
Vehicle Specific
$299.95
In Stock (10+)
Picture for manufacturer B&M
Best Seller Free Shipping
Picture of B&M 80683 QuickSilver Automatic Ratchet Shifter Universal Floor Mount

B&M 80683 QuickSilver Automatic Ratchet Shifter Universal Floor Mount

25 reviews
Part: 80683
Vehicle Specific
$509.95
In Stock (10+)
Picture for manufacturer B&M
Best Seller Free Shipping
Picture of B&M 80680 MegaShifter Automatic Ratchet Shifter for Light Trucks

B&M 80680 MegaShifter Automatic Ratchet Shifter for Light Trucks

26 reviews
Part: 80680
Vehicle Specific
$561.95
In Stock (10+)
Picture for manufacturer B&M
Free Shipping
Picture of B&M 80885 Hammer Automatic Ratchet Shifter

B&M 80885 Hammer Automatic Ratchet Shifter

32 reviews
Part: 80885
Vehicle Specific
$399.95
In Stock (10+)
Picture for manufacturer B&M
Free Shipping
Picture of B&M 80776 Automatic Detent Shifter SportShifter with Lighted Gear Indicator

B&M 80776 Automatic Detent Shifter SportShifter with Lighted Gear Indicator

13 reviews
Part: 80776
Vehicle Specific
$379.95
In Stock (10+)
Picture for manufacturer B&M
Picture of B&M 70380 ShiftPlus Shift Improver Kit for GM 4L60E/4L80E Transmissions

B&M 70380 ShiftPlus Shift Improver Kit for GM 4L60E/4L80E Transmissions

67 reviews
Part: 70380
Vehicle Specific
$109.95
3 left at this price
Picture for manufacturer B&M
Free Shipping
Picture of B&M 80706 Pro Stick Automatic Gated Shifter

B&M 80706 Pro Stick Automatic Gated Shifter

43 reviews
Part: 80706
Vehicle Specific
$459.95
In Stock (10+)
Picture for manufacturer B&M
Picture of BD Diesel 1030472 Allison 1000 Valve Body 6-Speed LBZ/LMM Duramax

BD Diesel 1030472 Allison 1000 Valve Body 6-Speed LBZ/LMM Duramax

38 reviews
Part: 1030472
Vehicle Specific
$1,623.10
Ships from manufacturer
Picture for manufacturer BD Diesel
Free Shipping
Picture of BD Diesel Allison 1000 Transmission Shift Kit

BD Diesel Allison 1000 Transmission Shift Kit

47 reviews
Vehicle Specific
from $125
In Stock (10+)
Picture for manufacturer BD Diesel
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Picture of BD Diesel 1030470 Allison Exchange Valve Body 2001-2004 Duramax LB7

BD Diesel 1030470 Allison Exchange Valve Body 2001-2004 Duramax LB7

25 reviews
Part: 1030470
Vehicle Specific
$1,623.10
Ships from manufacturer
Picture for manufacturer BD Diesel
Picture of BD Diesel 1030471 Allison 1000 Performance Valve Body 2004-2006 Duramax LLY

BD Diesel 1030471 Allison 1000 Performance Valve Body 2004-2006 Duramax LLY

74 reviews
Part: 1030471
Vehicle Specific
$1,623.10
Ships from manufacturer
Picture for manufacturer BD Diesel
Picture of BD Diesel 1031315 Allison Electronic Pressure Controller 2011-2016 Duramax 6.6L LML

BD Diesel 1031315 Allison Electronic Pressure Controller 2011-2016 Duramax 6.6L LML

41 reviews
Part: 1031315
Vehicle Specific
$302.27
Ships from manufacturer
Picture for manufacturer BD Diesel
Picture of BD Diesel 1062224 Build-It Stage 4 Master Rebuild Kit for 2006-2010 Duramax Allison

BD Diesel 1062224 Build-It Stage 4 Master Rebuild Kit for 2006-2010 Duramax Allison

55 reviews
Part: 1062224
Vehicle Specific
$2,423.59
Ships from manufacturer
Picture for manufacturer BD Diesel
Picture of ATS Diesel 3039044308 LCT1000 6-Speed Transmission Trim Valve Body Kit

ATS Diesel 3039044308 LCT1000 6-Speed Transmission Trim Valve Body Kit

43 reviews
Part: 3039044308
Vehicle Specific
$161.77
Ships from manufacturer
Picture for manufacturer ATS Diesel
Picture of ATS Diesel 3139074248 Stage Allison Transmission Rebuild Kit - LCT-1000 7

ATS Diesel 3139074248 Stage Allison Transmission Rebuild Kit - LCT-1000 7

64 reviews
Part: 3139074248
Vehicle Specific
$4,838.78
Ships from manufacturer
Picture for manufacturer ATS Diesel
Picture of ATS Diesel 3139064308 Stage 6 Transmission Rebuild Kit for 2006-2010 GM Allison LCT-1000

ATS Diesel 3139064308 Stage 6 Transmission Rebuild Kit for 2006-2010 GM Allison LCT-1000

66 reviews
Part: 3139064308
Vehicle Specific
$3,808.67
Ships from manufacturer
Picture for manufacturer ATS Diesel
Picture of ATS Diesel 3139064290 Stage Transmission Rebuild Kit - 6 5-Speed for 2004.5-2005 LCT-1000

ATS Diesel 3139064290 Stage Transmission Rebuild Kit - 6 5-Speed for 2004.5-2005 LCT-1000

47 reviews
Part: 3139064290
Vehicle Specific
$3,808.67
Ships from manufacturer
Picture for manufacturer ATS Diesel
Picture of ATS Diesel 3139064248 Stage Allison Transmission Rebuild Kit - 6 LCT-1000 5-Speed

ATS Diesel 3139064248 Stage Allison Transmission Rebuild Kit - 6 LCT-1000 5-Speed

47 reviews
Part: 3139064248
Vehicle Specific
$3,808.67
Ships from manufacturer
Picture for manufacturer ATS Diesel

What's here for your GMC Sierra 2500 HD

  • Automatic Transmission Filter Kits
  • Automatic Transmission Shift Kits
  • Automatic Transmission Shift Lever Kits
  • Automatic Transmission Master Repair Kits
  • Automatic Transmission Shifter Cable Kits
  • Automatic Transmission Valve Body Kits

The widest selection here comes from ATP, BD Diesel, Transgo Performance, and B&M, spanning universal-fit and vehicle-specific kits across the full range of service types. Other categories GMC Sierra 2500 HD owners shop for: GMC Sierra 2500 HD Shocks and Struts, GMC Sierra 2500 HD Exterior Lights and GMC Sierra 2500 HD Springs and Suspension Parts, or browse all GMC Sierra 2500 HD parts and accessories.