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Rancho RS55234 Shock Absorber - Rear
| Brand | Rancho RS55234 |
|---|---|
| Position | Rear |
| S4 | |
| Compressed Bumper Stop | No |
| Compressed Length | 16.13 |
| Dust Shield Included | Yes |
| Extended Bumper Stop | Yes |
| Extended Hydraulic Lockout | No |
| Extended Length | 27.03 |
| Lower Mounting Code | LS26 |
| Lower Mounting Description | Loop Bushing & Sleeve Mount - 12MM Sleeve ID X 1.1/2" Sleeve OAL |
| Parts Pack | P01136 |
| Travel Length | 10.9 |
| Upper Mounting Description | Stem Mount - 2.3/8" Stem Length X 3/8"-16 Thread Pitch |
| Product line | RS5000X |
| Fits | Ford · 18 vehicles |
Exclusive valving system. Advanced compression improves handling and performance on and off the road.
Dust shield included. Helps protect the shock absorber from dirt and debris.
Suspension shock absorber for controlled ride and response.
Cross-references Febi-Bilstein 37134, Focus Auto Parts 341585 and KYB 344375 for the same application. See all 11.
Rancho RS5000X Rear Shock for Ford Trucks
The Rancho RS5000X RS55234 is a rear suspension shock absorber built for select Ford F-150, F-150 Heritage, and F-100 Ranger applications. It uses Rancho’s RS5000X valving approach with advanced compression control to improve on-road stability and off-road damping response.
Key Features
- Rear suspension shock absorber for select Ford truck applications
- Rancho RS5000X valving for controlled compression and rebound response
- Compressed length: 16.13 in; extended length: 27.03 in
- Travel length: 10.9 in
- Dust shield included for added shaft protection
- Extended bumper stop included; compressed bumper stop not included
- Upper mount: stem mount with 2.375 in stem length and 3/8 in-16 thread pitch
- Lower mount: loop bushing and sleeve mount with 12 mm sleeve ID and 1.5 in sleeve OAL
Product Details
Rancho RS5000X shocks are tuned to deliver more consistent damping across changing road conditions, making them a practical upgrade for drivers who want firmer rear suspension control without changing the vehicle’s basic setup. The RS55234 part number is listed for rear position use on 1997-2003 Ford F-150, 2004 Ford F-150 Heritage, and 1997-2001 Ford F-100 Ranger applications with the specified suspension and GVW requirements. This part cross-references Monroe Shocks & Struts (e.g., 34658, 911134) for the same application.
What It Helps Address
- Excessive rear-end bounce over uneven pavement
- Reduced control during load changes or towing-related suspension movement
- Harsh or inconsistent rear shock response
- Worn shock performance that can affect ride stability
- Rear suspension damping issues on lifted or stock-height listed Ford truck applications
Installation Notes
Compatible With 1997-2003 Ford F-150, rear; 2004 Ford F-150 Heritage, rear; and 1997-2001 Ford F-100 Ranger, rear, when the listed GVW and suspension conditions are met. Verify compressed length, extended length, and mounting style before installation to confirm proper suspension travel and fitment. The RS55234 uses a stem upper mount and loop lower mount, so the existing mounting points must match those specifications. For lifted applications, confirm the rear raised height and Rancho suspension system requirements shown in the fitment data.
Quality Assurance
Rancho RS5000X shocks are engineered as a performance-oriented suspension replacement with application-specific valving and construction details intended to support consistent damping in daily driving and off-road use. Part number RS55234 is cataloged for direct-fit rear applications listed above.
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2004 | Ford | F-150 Heritage | 4WD | Rear | without 7,700 (lb) Gross Vehicle Weight (GVW); with Rear Raised Height 0 (in); RS5000X |
| 2003 | Ford | F-150 | 4WD | Rear | without 7,700 (lb) Gross Vehicle Weight (GVW); with Rear Raised Height 0 (in); RS5000X |
| 2002 | Ford | F-150 | 4WD | Rear | without 7,700 (lb) Gross Vehicle Weight (GVW); with Rear Raised Height 0 (in); RS5000X |
| 2001 | Ford | F-100 Ranger | RWD | Rear | without 7,700 (lb) Gross Vehicle Weight (GVW); with Rancho Suspension System; with Rear Raised Height 4.0 (in); RS5000X |
| 2001 | Ford | F-150 | 4WD | Rear | without 7,700 (lb) Gross Vehicle Weight (GVW); with Rear Raised Height 0 (in); RS5000X |
| 2001 | Ford | F-150 | RWD | Rear | without 7,700 (lb) Gross Vehicle Weight (GVW); with Rear Raised Height 4.0 (in); RS5000X |
| 2000 | Ford | F-100 Ranger | RWD | Rear | without 7,700 (lb) Gross Vehicle Weight (GVW); with Rancho Suspension System; with Rear Raised Height 4.0 (in); RS5000X |
| 2000 | Ford | F-150 | 4WD | Rear | without 7,700 (lb) Gross Vehicle Weight (GVW); with Rear Raised Height 0 (in); RS5000X |
| 2000 | Ford | F-150 | RWD | Rear | without 7,700 (lb) Gross Vehicle Weight (GVW); with Rear Raised Height 4.0 (in); RS5000X |
| 1999 | Ford | F-100 Ranger | RWD | Rear | without 7,700 (lb) Gross Vehicle Weight (GVW); with Rancho Suspension System; with Rear Raised Height 4.0 (in); RS5000X |
| 1999 | Ford | F-150 | 4WD | Rear | without 7,700 (lb) Gross Vehicle Weight (GVW); with Rear Raised Height 0 (in); RS5000X |
| 1999 | Ford | F-150 | RWD | Rear | without 7,700 (lb) Gross Vehicle Weight (GVW); with Rear Raised Height 4.0 (in); RS5000X |
| 1998 | Ford | F-100 Ranger | RWD | Rear | without 7,700 (lb) Gross Vehicle Weight (GVW); with Rancho Suspension System; with Rear Raised Height 4.0 (in); RS5000X |
| 1998 | Ford | F-150 | 4WD | Rear | without 7,700 (lb) Gross Vehicle Weight (GVW); with Rear Raised Height 0 (in); RS5000X |
| 1998 | Ford | F-150 | RWD | Rear | without 7,700 (lb) Gross Vehicle Weight (GVW); with Rear Raised Height 4.0 (in); RS5000X |
| 1997 | Ford | F-100 Ranger | RWD | Rear | without 7,700 (lb) Gross Vehicle Weight (GVW); with Rancho Suspension System; with Rear Raised Height 4.0 (in); RS5000X |
| 1997 | Ford | F-150 | 4WD | Rear | without 7,700 (lb) Gross Vehicle Weight (GVW); with Rear Raised Height 0 (in); RS5000X |
| 1997 | Ford | F-150 | RWD | Rear | without 7,700 (lb) Gross Vehicle Weight (GVW); with Rear Raised Height 4.0 (in); RS5000X |
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