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Restore rear damping control on a Wrangler YJ
Old Man Emu 63099 is a rear Nitrocharger Sport shock tuned for the verified Jeep Wrangler YJ applications below, balancing off-road durability with controlled on-road response.
Key Features
- Vehicle-specific rear damping
- Exact Old Man Emu 63099 configuration
- Nitrocharger Sport twin-tube design
- Matched for compatible Old Man Emu spring systems
- Designed to reduce body movement and improve steering response
- One rear shock supplied
- Three-year manufacturer warranty
Fitment
| Years | Make | Model or Trim | Verified Notes and Exclusions |
|---|---|---|---|
| 1987-1993 | Jeep | Wrangler YJ Base | Rear position |
| 1988-1992 | Jeep | Wrangler YJ Islander | Rear position |
| 1987-1990 | Jeep | Wrangler YJ Laredo | Rear position |
| 1991-1994 | Jeep | Wrangler YJ Renegade | Rear position |
| 1995 | Jeep | Wrangler YJ Rio Grande | Rear position |
| 1988-1994 | Jeep | Wrangler YJ S | Rear position; exact year coverage varies by manufacturer row |
| 1988-1995 | Jeep | Wrangler YJ Sahara | Rear position |
| 1994-1995 | Jeep | Wrangler YJ SE | Rear position |
| 1987-1988 | Jeep | Wrangler YJ Sport | Rear position |
Specifications
| Detail | Value |
|---|---|
| Manufacturer Part Number | 63099 |
| Series | Nitrocharger Sport |
| Position | Rear |
| Product Type | Shock absorber |
| Quantity | One |
| Fitment Scope | Vehicle specific |
| GTIN | 4025258910730 |
| Warranty | Three years under ARB terms |
What's Included
- One Old Man Emu 63099 rear shock absorber
- Old Man Emu 63099 exact product shown in the retained images
- Opposite-side shock, springs, mounts, bushings, installation labor, and unrelated hardware are not included unless supplied in the sealed manufacturer package
About Old Man Emu
Old Man Emu is ARB's suspension brand for vehicle-specific springs, shocks, struts, and complete systems. Components are tuned around vehicle configuration, load, ride height, and intended use, so the exact part number and current application data control selection.
Related Parts
- A matching second rear shock for paired axle service
- Old Man Emu springs selected for the vehicle load and ride-height target
- Verified shock bushings and mounting hardware
- Front shocks matched to the same suspension configuration
FAQ
What is the 63099?It is a rear Old Man Emu Nitrocharger Sport shock for the verified Jeep Wrangler YJ applications.
Which years are supported?Manufacturer and exact-product retailer data list verified 1987-1995 Wrangler YJ applications with trim-specific year ranges.
Is this a front or rear shock?It is for the rear position.
How many shocks are included?This listing contains one rear shock absorber.
Should rear shocks be replaced in pairs?Inspect both sides and replace the axle pair when wear, mileage, or service guidance calls for matched damping.
Does it fit a Jeep Wrangler JL or JK?No. This exact product is for the listed Wrangler YJ applications only.
Is professional installation recommended?Yes. Verify suspension travel, mounting hardware, brake-line clearance, and torque procedures.
What warranty applies?ARB lists a three-year suspension warranty under its current terms and exclusions.
Installation Instructions
- Confirm the Wrangler YJ year and manufacturer-listed trim before disassembly.
- Confirm the package label and manufacturer part number 63099 before installation.
- Verify the package identifies Old Man Emu 63099 and inspect the supplied bushings and hardware.
- Support the Jeep safely and remove the existing rear shock according to the factory service procedure.
- Install the shock in the rear position without forcing or modifying the mounting points.
- Torque all fasteners at the specified suspension position and verify clearance through the available travel.
- Road-test at low speed, inspect for interference or looseness, and recheck mounting torque after the initial driving interval.
California Proposition 65 Warning: Cancer and reproductive harm. See www.P65Warnings.ca.gov.
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