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Part #
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Drivetrain
Gear Ratio
Differential

The Reman Dana 35 Rear Axle

This is a remanufactured rear axle assembly pulled and rebuilt from a 2019 Jeep Wrangler JL, carrying a 3.45 gear ratio and an open, non locking differential. On the JL platform this configuration is the Dana 35 AdvanTEK, known by Dana as the M200, with a 200mm ring gear measuring roughly 7.87 inches. It is the factory open differential, left hand drive axle identified by option code DRZ.

Every unit we rebuild starts as an OEM core and is returned to factory specification. Worn or damaged internals are replaced, the housing is cleaned and inspected, and the assembly is reset to proper backlash and run out before it ships. If your Sport or Sahara developed a whine, a leak, or chewed up gears, this is a straight remanufactured replacement for the 2019 Wrangler 3.45 non locking rear axle you already have.

Fitment, Trims And Cross Year Coverage

The 3.45 open rear axle is standard across the 2-door JL Sport, Sport S, and Sahara, as well as the 4-door JLU Sport, Sport S, and Sahara. Both the 3.6L Pentastar V6 and the 2.0L turbo four trims receive this configuration from the factory. Rubicon models are not covered here, since those trims use 3.73 or 4.10 ratios with lockers.

Beyond the 2019 model year, this M200 Dana 35 assembly with the 3.45 ratio and open differential is cross compatible with the broader JL generation built from 2018 through 2025 in the same configuration. If your 2020, 2021, or 2022 Wrangler Sport or Sahara runs the 3.45 open rear, this axle is a correct match provided the specs line up.

A JL Sport or Sahara with the open rear pairs a Dana 30 front, the M186, with this Dana 35 M200 rear. The axle sits behind either the NV241 Command Trac part time case or the optional MP3022 Selec Trac on Sahara, both running a 4.0:1 low range. Nothing about this rear axle changes your transfer case setup.

Verify Your Axle Before You Order

The single most important step before buying is confirming you have an M200, not an M220. Pull your window sticker or run your VIN and look for the axle code. Some Sport and Sahara models ordered with the Trac Lok anti spin option received the larger Dana 44 M220 instead, which is a different SKU entirely.

If you only have the Jeep in front of you, use the visual tell on the differential cover. The Dana 44 M220 has a large flat area around the fill plug, while the Dana 35 M200 fill plug surface is stepped. That stepped profile confirms you are looking at the open 200mm axle this page sells.

The gear ratio also matters. This axle is cut for 3.45 gearing on stock tire sizes. Running it behind a different ratio or mismatched front axle creates driveline bind and noise. If your window sticker shows 3.73 or 4.10, you need a different unit, and our team can help you identify the correct one.

The Dana 35 AdvanTEK M200 on this configuration runs a 24-spline open differential, which is the factory setup for Sport and Sahara buyers who did not order the optional Trac Lok limited slip. The wheel flange uses the standard JL 5 by 5 inch lug pattern. An open differential sends power to the wheel with the least traction, which is exactly how Jeep tuned these trims for stock tires and everyday pavement and light trail use. If that matches how you drive, this axle keeps your Wrangler factory correct.

If your plans include larger tires and genuine off road traction, understand what non locking means for you. The open M200 is the first line item people replace when stepping up to lockers and taller rubber, because it is built around stock sizing. You can add a locking or limited slip carrier later, but that is a separate internal upgrade, not something this axle includes. Buyers coming from a Rubicon or a Trac Lok equipped Sahara should look for the appropriate M220 unit instead of this open assembly.

Recent Inventory from Houston Engines

How We Rebuild And Inspect

Each core begins with a thorough visual inspection for cracks, rust, and warping, followed by dimensional verification to confirm the housing has not been bent or deformed. Only cores that pass this stage move forward into the remanufacturing line where tolerances actually matter.

During reassembly we set backlash clearance so the gears lubricate correctly and check run out to prevent overheating and noise down the road. Differential cover bolts are torqued to spec and the fill plug sealed properly, so the unit arrives ready to bolt in and fill.

Remanufacturing to OEM specification means worn or damaged components are replaced rather than reused, then the complete assembly is cleaned, inspected, reassembled, and tested. This is a cost effective and environmentally responsible alternative to buying a brand new axle, without giving up factory fitment or reliability.

A remanufactured axle assembly from us is built around the complete rotating unit. Depending on the core condition, these assemblies typically include the axle shafts, bearings and retainer plate, axle seals, the ABS tone ring, and wheel studs, so you are installing a working unit rather than sourcing loose parts. We recommend confirming exactly which hardware ships with your specific unit before install, since ABS and bearing details can vary by core and application.

If you want to reuse your existing carrier or swap in a locker later, nothing about this assembly prevents that. The 24-spline open carrier is standard, and an installer can open the diff to change internals using the factory torque values, including the axle shaft retainer plate nut specification. For most Sport and Sahara owners simply replacing a failed rear, though, the remanufactured unit goes in as is and restores factory behavior immediately.

Shipping, Support And Peace Of Mind

Rear axle assemblies are large and heavy, so they ship on a pallet by LTL freight rather than standard parcel. We package each unit professionally to protect the housing, shafts, and sealing surfaces in transit, and coordinate the freight logistics so your axle arrives ready to install. Plan for a receiving location that can handle a palletized freight delivery, whether that is a shop, a business address, or a terminal pickup.

Houston Engines has built its reputation supplying used and remanufactured engines, transmissions, transfer cases, and axles to drivers and shops across Houston and well beyond. We know the JL platform, we know the difference between the M200 and M220 rear, and we would rather talk through your VIN and window sticker first than have you install the wrong part. Getting the fitment right the first time is how we keep customers coming back.

Before you order, have your 2019 Wrangler axle code, gear ratio, and differential type confirmed so we can match this unit to your Jeep with confidence. Our team is happy to walk you through decoding your window sticker, identifying your differential cover, and confirming whether your trim ran the open 3.45 rear. That upfront verification protects your install time and keeps your driveline correct.

Frequently Asked Questions

What rear axle does the 2019 Jeep Wrangler Sport or Sahara come with?

A 2019 JL Sport or Sahara ordered with the open differential comes with the Dana 35 AdvanTEK, known as the M200, carrying a 3.45 gear ratio and a 200mm ring gear. It pairs with a Dana 30 M186 front axle. This is the exact axle configuration remanufactured and sold on this page.

What is the difference between the Dana 35 M200 and Dana 44 M220 rear axle?

The Dana 35 M200 uses a 200mm ring gear, roughly 7.9 inches, with a 24-spline open differential. The larger Dana 44 M220 uses a 220mm ring gear, about 8.7 inches, and appears when the Trac Lok anti spin option was ordered. The M220 cover has a flat area around the fill plug, while the M200 is stepped.

Does the 2019 Wrangler 3.45 open rear axle fit my 2020, 2021, or 2022 JL?

Yes, in most cases. This M200 Dana 35 with the 3.45 ratio and open differential is cross compatible with JL Wranglers built from 2018 through 2025 in the same configuration. Confirm your model year axle code and gear ratio from your VIN or window sticker, and it should bolt in as a correct match.

How do I know if my Jeep Wrangler JL has an open or locking differential?

Check your window sticker for the axle code. M200 indicates the Dana 35 open differential, while M220 indicates the Dana 44 that came with the Trac Lok anti spin option. You can also inspect the cover, since the open M200 has a stepped fill plug surface rather than the large flat area of the M220.

What is the spline count and ring gear size on the 2019 JL Dana 35 rear axle?

The Dana 35 AdvanTEK M200 in this open 3.45 configuration uses a 24-spline open differential and a 200mm ring gear, which measures approximately 7.9 inches. It runs the standard JL 5 by 5 inch wheel lug pattern. These numbers distinguish it from the larger 220mm Dana 44 M220 variant.

Can I upgrade to a locking differential without replacing the whole axle?

Yes. The open 24-spline carrier can be swapped for a locking or limited slip carrier by an installer who opens the differential and resets backlash to spec. That upgrade is a separate internal job and is not included with this assembly. Many owners running larger tires choose to add traction this way.

What should I inspect when buying a used rear axle assembly for my Wrangler?

Look for cracks, rust, and warping, then verify the housing is straight and not bent. Confirm backlash is set correctly so gears lubricate properly, and check run out to avoid noise and overheating. Our remanufactured units already pass visual inspection, dimensional verification, and are reset to OEM specification before shipping.

Will a used 2019 Wrangler rear axle include bearings, seals, and ABS hardware?

These remanufactured assemblies typically include the axle shafts, bearings, retainer plate, axle seals, the ABS tone ring, and wheel studs, depending on the core. Because included hardware can vary by unit, confirm the exact contents of your specific axle with us before ordering so your install goes smoothly.

How does a heavy axle assembly like this ship?

Because axle assemblies are large and heavy, they ship on a pallet via LTL freight rather than standard parcel delivery. We package each unit to protect the housing, shafts, and sealing surfaces, then coordinate the freight. Plan for a delivery location able to receive a palletized shipment or a terminal pickup.

Why choose a remanufactured axle over a brand new one?

A remanufactured M200 axle is disassembled, inspected, and rebuilt to OEM specification, with worn components replaced and the unit cleaned, reassembled, and tested. It restores factory fitment and performance as a cost effective and environmentally responsible alternative to a brand new assembly, without compromising on reliability for your Sport or Sahara.