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Frankberg Brake Cylinder Rear Axle Review: Fit for Cherokee and Wrangler?

Frankberg 2x Brake Cylinder Rear Axle Compatible with Cherokee XJ 2.1L-4.0L 1984-2001 Wrangler II TJ 2.4L-4.0L 1996-2007 VoyaG.Er II ES 2.5L-3.3L 1990-1995 Replace# 4423601
4.6
[Wide Vehicle Fitment]  Compatible with Jeep Wagoneer, Cherokee, Wrangler models (1984–2007) for broad application.
[Rear Axle Fitment]  Designed for left and right rear axle installation, ensuring easy replacement.
[Precise Dimensions]  35mm installation diameter and approx. 20.64mm piston diameter for precise, reliable fit.
[FTE Brake System]  FTE brake system compatibility ensures dependable braking performance and OEM-level quality.
[Thread Specification]  3/8-24 UNF thread dimension for secure, standard fastening and easy installation.
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Automotive replacement parts intended to restore rear braking performance on compatible Jeep and Voyager models, Frankberg Brake Cylinder Rear Axle. Owners who need a straightforward rear axle cylinder replacement will appreciate clear fitment guidance and OEM reference numbers. Does the compatibility match your vehicle and workshop requirements?

⚡ At a Glance
  • Brake Performance: Consistent hydraulic response for routine use and conventional braking systems
  • Best for: DIY mechanics and garages replacing rear wheel cylinders on listed Jeep and Voyager models
  • Not ideal for: Vehicles not listed in the fitment or setups requiring a different cylinder specification

Pair of rear axle wheel cylinders supplied for the rear left and right positions. Includes OEM reference numbers and technical dimensions to aid fit checks.


Accurate fitment, with OEM reference numbers

Reference numbers W37862, 82042, 4423601 and 5252617 are provided to match existing parts and help confirm compatibility. Vehicle fitment listings cover Cherokee XJ, Wrangler YJ/TJ and multiple Voyager model years.

Cross-checking reference numbers reduces guesswork during parts ordering and helps ensure the correct replacement is selected.

Reliable hydraulic response, with approx 20,64 mm piston diameter

Piston diameter is listed as approximately 20,64 mm, a dimension that affects hydraulic pressure and seal sizing within the cylinder bore. Thread dimension is 3/8 24 UNF, which determines the connection to brake lines or fittings.

Consistent piston sizing and standard thread form support predictable braking behaviour and straightforward plumbing during installation.

Straightforward rear-axle replacement, with clear installation position

Installation position is specified as rear axle left and right, and installation diameter is approximately 35 mm, guiding fit checks against the vehicle's mounting points. Amazon Confirmed Fit guidance is referenced for final compatibility verification.

Clear positioning and sizing information helps workshops and competent DIYers plan the swap and verify fit before starting work.

✨ The 4 Key Reasons for Frankberg Brake Cylinder Rear Axle
  1. Pair included, replaces both rear cylinder units in one service
  2. Vehicle coverage, fits Cherokee XJ, Wrangler YJ/TJ, Voyager years listed
  3. OEM reference numbers, cross-checks OEM reference numbers for accurate replacement verification
  4. Thread & piston dims, simplifies selection and ensures compatible hydraulic connections during repair
📋 Technical Details at a Glance
  • Category: Automotive Parts and Accessories
  • Quantity: 2x brake cylinders (rear axle)
  • Installation Position: Rear axle, left and right
  • Compatible Models: Cherokee XJ 1984-2001, Wrangler I SJ YJ 1989-1996, Wrangler II TJ 1996-2007, Voyager 1989-1995
  • Reference Numbers: W37862, 82042, 4423601, 5252617
❓ Frequently Asked Questions

Q: Which vehicles are listed as compatible?

A: Compatibility listings include Cherokee XJ 2.1L-4.0L 1984-2001, Wrangler I SJ YJ 2.5L-4.0L 1989-1996, Wrangler II TJ 2.4L-4.0L 1996-2007, and Voyager I/II models covering 1989-1995 depending on engine variants.

Q: What is the installation position and how many cylinders are supplied?

A: Supplied as a pair for the rear axle, specified for left and right installation positions.

Q: What technical dimensions should be checked before ordering?

A: Thread dimension is 3/8 24 UNF, installation diameter is approximately 35 mm and piston diameter is approximately 20,64 mm; use these values to verify bore and thread compatibility.

🏆 Our Verdict

Suitable for owners and workshops replacing rear wheel cylinders on the specified Cherokee, Wrangler and Voyager models. OEM reference numbers and technical dimensions make it straightforward to verify fit and prepare for replacement. Given the clarity of fitment data and standard thread form, the cylinders represent sensible long-term replacement parts for regular maintenance and repairs.