If you're swapping out a worn-out front pivot, the Mevotech Supreme Suspension Ball Joint (MK9459) drops in as a direct-fit ball joint for the 1987-1991 Isuzu Trooper. This front lower ball joint forms the pivoting connection between the control arm and the steering knuckle, letting the front wheel steer and the suspension travel while keeping the front end located.
Mevotech Supreme parts are engineered in-house with application-specific upgrades, and this ball joint is built for high-usage passenger vehicles, SUVs, fleets and working trucks. Key features:
- Resists corrosion: a protective surface treatment helps prevent rust build-up and adds longevity.
- Premium materials: used across the components for longer part life.
- Keeps water and debris out: a pre-installed dust boot safeguards the internal components from contaminants.
- Rigorous testing: extensive in-house and third-party durability testing.
Signs this suspension ball joint may need replacing include clunking or knocking over bumps, loose or wandering steering, and uneven front tire wear. Sold individually; for balanced, predictable steering it's best to replace both front lower ball joints as a matched pair.
Interchange: SB-5302 · ATM SB5302 · 101-4188 · 610.43002 · DW-K9459
SB5302 · ATMSB5302 · 1014188 · 61043002 · DWK9459 · 1602030041 · 19263217 · 250007 · 69010 · ISF203 · TC691 · B9459 · FA1789 · K9459 · IK9459 · 8944521020 · 8944521021 · 30010076 · 10565 · X19BJ1885 · X19BJ1902 · TK9459
This part cross-references / interchanges with the following part numbers:
SB-5302, 1602030041, 19263217, ATM SB5302, 250007, 69010, 101-4188, 610.43002, ISF203, TC691, B9459, DW-K9459, FA1789, K9459, IK9459, 8944521020, 8944521021, MK9459, 30010076, 10565, X19BJ1885, X19BJ1902, TK9459
Frequently Asked Questions
Will this ball joint fit a 1987-1991 Isuzu Trooper?
Yes — MK9459 is a direct-fit front lower ball joint for the 1987-1991 Isuzu Trooper. Check the "Vehicles it fits" section to confirm your exact vehicle and configuration.
Is this a front or rear ball joint?
It's the front lower ball joint. It replaces the worn front lower pivot between the control arm and steering knuckle.
What are the signs I need a ball joint replacement?
Clunking or knocking over bumps, loose or wandering steering, and uneven front tire wear can all point to a worn front lower ball joint. Diagnose the cause before replacing.
How many ball joints should I order?
This listing is for one ball joint, sold individually. For balanced handling it's best to replace both front lower ball joints as a matched pair.
Does this ball joint include a dust boot?
Yes — a dust boot is pre-installed to help safeguard the internal components from water and debris.
