Dust cover won’t fit

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SBDave

Junior Member
Joined
Apr 11, 2026
Posts
1
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1
Location
East TX
First Name
John
Truck Year
86
Truck Model
K30
Engine Size
454
Have 86 K30 with a 96 454 the 1 piece rear main seal. The original TH400 flex plate cover won’t fit due to the larger diameter of the rear main seal. Is there a cover that will fit.
 

nvrenuf

Full Access Member
Joined
Jul 30, 2010
Posts
2,547
Reaction score
3,903
Location
Mobile, Al.
First Name
John
Truck Year
1991
Truck Model
K5
Engine Size
454
Yes, there’s a cover that will fit. I recently read that the covers are different between 1 and 2 pc covers and I believe 4L80E covers are different too.
 

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