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GMC K15 Flexplates

This page gathers flexplates listed for the GMC K15, covering model years 1975–1978. The range focuses on automatic transmission flexplates, including heavy-duty options, from brands such as Speedmaster, Quick Time, ATP and B&M. Pick your GMC K15's year above to narrow the list to flexplates with confirmed fitment. Every part shown is checked against our vehicle data.

1 - 3 of 3 results

Best Seller Free Shipping
Picture of B&M SFI Certified Steel Flexplate

B&M SFI Certified Steel Flexplate

13 reviews
Vehicle Specific
from $193
In Stock (10+)
Picture for manufacturer B&M
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Best Seller
Picture of B&M 20230 SFI Certified Steel Flexplate for Small & Big Block Chevy

B&M 20230 SFI Certified Steel Flexplate for Small & Big Block Chevy

63 reviews
Part: 20230
Vehicle Specific
$179.95
1 left at this price
Picture for manufacturer B&M
Best Seller
Picture of Sachs 1878654588 Flexplate for Automatic Transmission

Sachs 1878654588 Flexplate for Automatic Transmission

30 reviews
Part: 1878654588
Vehicle Specific
$40.18
In Stock (5)
Picture for manufacturer Sachs

What's here for your GMC K15

  • Automatic transmission flexplates in heavy-duty construction

The widest selection here comes from Speedmaster, Quick Time, ATP and B&M, offering a range of fitment options for 1975–1978 GMC K15 trucks. Other categories GMC K15 owners shop for: GMC K15 Steering Wheels, GMC K15 Exhaust and Tail Pipes and GMC K15 Doors and Door Parts, or browse all GMC K15 parts and accessories.