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Sonnax 3-4 Accumulator Spring

Mfg Retail: $22.99
Cost From Us: $19.00
You Save: $3.99
In Stock
Our Part #: S-12861-01
Manufacturer: Sonnax
Mfg Part # : 12861-01
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Sonnax Transmission 3-4 Accumulator Spring Update
This Design Is The .126" Thick Heavier Duty Type

Update For Gas & Diesel Models Alike
This Is A Wear Item And May Already Be Present In Some Trucks

Even If It Appears Good It Should Be Replaced About Every 100,000 Miles Or So
Additionally During Your Repair / Upgrade Adjust Your Bands Which Are Also Right There
See Our Band Adjustment Video On Our Youtube Channel - Link On Homepage

Fits Numerous Below Dodge / Jeep / Chrysler Applications

A500 / 42RH / 42RE / 42-RE / A-500 / 500 / 44RE / 44-RE
A518 / 46RH / 518 / 46-RH / A-518 / 46RE / 46-RE
A618 / 47RH / 47RE / 47-RE / 618 / A-618 / 47-RH / 47-RE
48RE / 48-RE

Sonnax Spring Is An Upgrade To The 47-RE Diesel Factory Style Oem

Spring Location Helpful YouTube Video :

This was created due to the high failure of the original OEM design.
About 60%-70% of the factory springs were .063" thick spring factory stock.
Often Vehicles May Have The Thicker One Already In The Valve Body - Still Replace It !

Extremely common for these to become worn out even on moderate mileage units.
Most models that completely lose overdrive have a broken spring.
Many of our shift kits also feature an upgraded spring in them as well.

Symptoms This May Fix And/Or Correct :

Intermittent Loss Of Overdrive
No Third To 4th Shift
Many Other Various Symptoms
Some OBD II Check Engine Codes As Well
( More Info On Codes Will Be Added As We Gather The Info )

Additional Insight On Driveability When Broken

Sluggish Engagement Of Overdrive And Poor Shift Quality.
When broken Overdrive Shifts May Still Occur And Sometimes Feel Normal, but
There May Still Be Damage Occurring From The Spring Scoring The Housing, Etc
Much Of The Time There May Be Complete Or Intermittent Loss Of Overdrive.
No 3rd To 4th Shift

Sold As Pictured In Photo

Our Part #       S-12861-01

Sonnax part #    12861-01

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

Cascade Transmission Parts , Inc.
All Rights Reserved ®

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