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700R4 Accumulator Piston .308"


Mfg Retail: $10.99
Cost From Us: $8.88
You Save: $2.11
In Stock
Our Part #: 74927K
Manufacturer: Cascade Product
free shipping
GM Accumulator Piston 1-2 / 3-4
This Installs Into Case & Accumulator Housing - Large Pin Type .308

Generally These Are Found In 1982 Up Until Around 1994/1995 Non Pwm Applications


3 Leg High Quality Cast Aluminum Update
Typically Found On Cast Iron Valve Body Units Requiring Large Pin
* If Possible Be Sure To Double Check Your Existing Size, Many Previous Rebuilts May Have Changed The Housing Type.
Includes lip seal as shown for those not doing a complete rebuild.
Two pieces required per rebuild / repair; one in the case and one in the housing - Please Check Both Pin Diameters.
If your case or housing are damaged we do have reconditioned accumulator kits available also, please request

Fits All Below Automatic Transmission Applications :

700R4 / TH700 / 700R-4 / 700-R4 / 700 / TH-700R4 / TH-700 / THM700R4
4L60 / 4-L60 / MD8 / 4L-60 - Non Electronic
4L60E / 4L60-E / 4L60 / 4L-60E / 4-L60E / M30

May Fit Other Applications & Vehicles Not Listed Above

The original are well known to crack, and often can be very very tough to even spot the fracture.
The original was offered in aluminum and a poly/plastic, both typical to have issues on high mileage units.
This also will not flex like the oem ones, the rigid casting is ideal for improved shift pressure performance.
Overall the aluminum designed ones hold up much much better.
In our opinion the poly ones should not ever be reused in a rebuild.

Critical FYI - Tech Tip :
Always Measure Both Pins On Your Build
Some Models May Contain One Small Pin & One Large Pin Type

If You Need A Small Pin Type To Go With This In Your Build / Repair See Our Part # 74927BK


We do also stock these in the pinless style from sonnax if preferred See Our Part # S-77998-03K


Photo shown is the actual product you will be shipped with this purchase.

Our Part  # 74927K


We Would Appreciate The Opportunity To Serve Your Transmission Parts Needs ! ! !

Cascade Transmission Parts , Inc.
All Rights Reserved ®

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