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65RFE Clutch Drum 1999

$80.99
In stock • ships from the USA

65RFE Clutch Drum 1999, new and ready to install. Fits the 65RFE. Ships fast from the USA.

Secure Stripe checkout • free shipping over $100 • 30-day returns
Secure Stripe checkout
Ships from the USA
30-day returns

About this product

This listing is filed under a clutch drum, but what actually ships is the part inside it: a bonded underdrive piston set for the Chrysler RFE family, Precision International part number K13900-99. You get two pieces, an underdrive apply piston molded with an upgraded brown Viton seal for higher heat, and an OEM-style underdrive balance piston. It is listed for 45RFE and 545RFE units from 1999 on, with the 65RFE and 68RFE named in the same catalog line, so it is aimed at the Grand Cherokee, Durango, Dakota, Liberty and Ram owner (or the shop) whose RFE has started slipping in the lower gears or came apart with a torn underdrive seal. If you need the drum itself, see the note under Fitment.

What the underdrive piston does in an RFE transmission

Every RFE unit carries one input clutch assembly that holds the underdrive, overdrive and reverse clutches. Chrysler's 545RFE clutch application chart shows the underdrive clutch applied in First, Second, Second Prime and Third. When the underdrive solenoid sends oil to the clutch, this piston strokes and squeezes the pack. The balance piston sits on the other side and traps a column of fluid that offsets the centrifugal pressure building up in the spinning drum, so the clutch releases cleanly at speed instead of dragging. The bonded design means the seal is molded to the metal, so there is no loose lip seal to roll or nick during assembly. That is also the weak spot with age: once the rubber hardens or tears from heat, oil bleeds past it and the clutch cannot hold full torque.

Symptoms of a leaking underdrive piston

How to confirm before buying

Road test and note exactly which gears slip, then compare against the clutch application chart: slip in First through Third with good upper gears points at the underdrive circuit, not the overdrive pack that the 68RFE 3-4 clutch failure guide covers. Read codes and check fluid level hot before anything else. With the transmission on the bench, an air check of the underdrive circuit at the input clutch assembly tells you whether the piston seal or a sealing ring is leaking. Our 545RFE pressure testing guide walks through gauge checks that separate a leak inside the drum from a valve body or solenoid problem.

Fitment

The listing calls this a 45RFE / 545RFE / 65RFE / 68RFE underdrive piston set for 1999-up Dodge, Jeep and Ram applications, with OE references 4799652 and 4799650 and interchange numbers in the 72960A and 72980A series. The source notes one generation split worth knowing: 1999 to early 2005 transmissions use only these two molded pistons, with aluminum 2nd, 4th and Low/Reverse pistons on lip seals, while late 2005-on units use these two plus molded 2nd, 4th and Low/Reverse pistons. This is not a drum housing. Compare the old pistons side by side with the new ones before you assemble, and if you are unsure send us your year and VIN. Browse everything for these units on the 545RFE parts page and the 68RFE parts page.

Install notes


Specifications

Fits65RFE 1999
Part typeClutch Drum
ConditionNew
BrandOEM
ShipsFrom the USA
Warranty1-year

Complete the job: parts that go with this

Doing this repair right usually means replacing these at the same time. Same transmission, ships together.

68RFE Clutch Module 2007
68RFE Clutch Module 2007
$75.99
68RFE Shift Kit 1999
68RFE Shift Kit 1999
$106.52

65RFE Clutch Drum 1999: common questions

Is this a complete clutch drum?

No. It is the bonded underdrive apply piston and the underdrive balance piston that install inside the input clutch drum. If your drum housing is cracked or worn, buy a drum separately; this set replaces only the pistons.

Will it fit my 2006 Ram 1500 545RFE?

The set is listed for 1999-up 45RFE and 545RFE units. Late 2005-on transmissions also use molded 2nd, 4th and Low/Reverse pistons, which are not included. Match your old underdrive pistons to these and send us your year and VIN if in doubt.

Why is the underdrive piston brown?

The apply piston uses an upgraded Viton seal, which is brown, to stand up to higher fluid temperatures than the original rubber. The balance piston is an OEM-style part.

What else should I replace with it?

Do it as part of an input clutch rebuild: new sealing rings, the drum O-rings, underdrive frictions and steels, and a complete gasket and seal kit. Reusing old frictions behind a new piston rarely lasts.

What fluid does it need?

RFE transmissions take ATF+4 only. Use it to lubricate the seals during assembly and for the refill, then set the level with the fluid at operating temperature.


Repair guides for this job

Sources
  1. Chrysler service information — 545RFE Road Testing and Clutch Application Chart. Shows the underdrive clutch applied in First, Second, Second Prime and Third, and how to use the chart to isolate a slipping clutch. s3.amazonaws.com/jeepwranglerjk2010/7c0365f4.html
  2. Sonnax — Dodge RFE Pressure Switch Diagnosis, Code P0871. Notes the input drum O-ring that separates underdrive and overdrive oil as an internal cause of P0871 and bind-up. www.sonnax.com/tech_resources/1438-dodge-rfe-pressure-switch-diagnosis-code-p0871
  3. Stellantis / Mopar — 2022 Ram 2500/3500 Owner's Manual, Fluids and Lubricants. ATF+4-only requirement for the RFE family. vehicleinfo.mopar.com/assets/publications/en-us/Ram/2022/2500_3500/om_html/GUID-3DDAFB58-0996-4E87-8829-E57A40354987.html

65RFE Clutch Drum 1999

$80.99
In stock • ships from the USA • 30-day returns

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