68258354AA, 68258354AB, 68258354AC Rear Left Air Spring Bag for Jeep Grand Cherokee WK2 2018- 2020

OE 68258354AA/AB/AC is an exclusive rear left air spring assembly for 2016‑2022 new Jeep Grand Cherokee WK2. It covers three generations of original upgraded universal numbers and is the mainstream replacement part for new WK2 rear left air suspension in the market.

After long-term use, the original rear left air spring of post-2016 WK2 is prone to rubber aging, surface cracking, internal cord fatigue, air spring bulging and bottom micro-cracks, resulting in typical common faults such as left rear end sagging, static pressure relief, slow air leakage, uneven left rear wheel height, bumpy abnormal noise and air suspension fault codes.

For severe damage of rear left air spring such as body tearing, bulging, severe air leakage and structural deformation that cannot be repaired by sealing kits, direct assembly replacement is the most stable and thorough maintenance solution. Manufactured in strict accordance with original factory process standards, the product’s multi-layer composite structure, cord density, sealing port tension and maximum pressure bearing value fully match OE data, adapting to the harsh driving conditions of heavy load, complex roads and alternating temperature differences for new WK2.

Supports non-destructive in-situ replacement of original rear left air spring without chassis or pipeline modification. Air tightness test and left side vehicle height reset after assembly can completely solve left rear sagging, body tilt and unstable driving problems, restoring the original rear left air suspension comfort and body support performance.

• Jeep Grand Cherokee WK2｜2016‑2022 All Factory Air Suspension Versions (2WD/4WD/SRT Universal)
• Product Feature: New model dedicated rear left air spring assembly, 3 universal OE numbers with zero installation deviation and stable pressure resistance, effectively solves new WK2 rear left air suspension common faults, suitable for repair shop left side air suspension overhaul, vehicle renovation and cross-border bulk stocking

Q1: Can this rear left air spring be used for rear right or front air spring?

A: No. This product is a dedicated rear left air spring for WK2. The structural parameters of rear left and rear right air springs are different and non-interchangeable. Meanwhile, the structure, size and stroke of front and rear air springs are completely different. It is strictly prohibited to install on front or rear right position. Wrong installation will cause installation failure, unbalanced vehicle height and air suspension alarm.

Q2: Is it compatible with old WK2 models before 2015?

A: No. This version is exclusively for 2016‑2022 new models. The 2011‑2015 old rear air spring has different structure and size and cannot be universal. Please select parts according to vehicle year.

Q3: Is it suitable for mechanical spring version Grand Cherokee?

A: No. This product is dedicated for air suspension assembly. The mechanical spring chassis has no air spring installation structure and cannot be installed.

Q4: When to replace the air spring assembly instead of using a repair kit?

A: Assembly replacement is required for severe faults of rear left air spring: air spring bulging & deformation, surface cracking, body tearing, large-area air leakage, repeated pressure relief and secondary leakage after repair. Assembly replacement features higher stability and avoids repeated rework compared with repair kit patching.

Q5: Is computer calibration required after installation?

A: No programming required. Air tightness test, left side vehicle height calibration and fault code clearing must be completed after installation to avoid left rear height imbalance, air suspension alarm and driving jitter.

Q6: Are AA/AB/AC OE numbers fully interchangeable?

A: Yes. The three models are original iterative upgraded parts with completely consistent structure, performance and mounting position, 100% universal and interchangeable.

Q7: Does it fit SRT high-performance version?

A: Fully compatible. The 2016‑2022 Grand Cherokee SRT, standard version and long-wheelbase version share the same rear left air suspension structure.