Help keep the front suspension pivoting smoothly and the steering tight with the Delphi Suspension Ball Joint TC2903, a front right lower IS300 ball joint that drops in as a direct-fit replacement for the 2001-2005 Lexus IS300. This joint forms the pivoting connection between the lower control arm and the steering knuckle, letting the wheel travel up and down and turn while carrying suspension loads.
Delphi brings its OE safety expertise to its aftermarket steering portfolio, testing to the extreme for OE-level performance — parts withstand temperatures below -40°C and above 120°C and endure 720 hours of salt spray, backed by extensive dimensional and material analysis for close OE-to-aftermarket compatibility.
- Forged strength: Manufactured with high-quality forgings for increased strength and smooth operation.
- Chloroprene boot: Uses a chloroprene rubber boot to improve durability and help prevent premature failure.
- Micron tolerances: Machined to micron tolerances for durability and smooth joint operation.
- Anti-corrosion protection: Applied to each part for corrosion prevention and enhanced aesthetics.
Signs this ball joint may need replacing include clunking or knocking from the front suspension over bumps, loose or wandering steering, and uneven tire wear. Diagnose the cause before ordering. Sold individually; replacing both sides together is recommended.
Interchange: 101-5433 · 610.44048 · 43330-59065 · 43330-59066 · 43330-59135
1015433 · 61044048 · 4333059065 · 4333059066 · 4333059135 · BJ05004 · BJ64104 · BJ64104XL · K500067 · GS86511 · MS86511 · JBJ7559
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
101-5433, 610.44048, BJ05004, BJ64104, BJ64104XL, K500067, GS86511, MS86511, JBJ7559, 43330-59065, 43330-59066, 43330-59135
Frequently Asked Questions
Does this Delphi ball joint fit my 2001-2005 Lexus IS300?
Yes. The TC2903 is cataloged as a front right lower ball joint for the 2001-2005 Lexus IS300. See the "Vehicles it fits" section to confirm the fit for your vehicle.
Is this an upper or lower ball joint?
This is the front right lower ball joint, connecting the lower control arm to the steering knuckle.
What is this ball joint made of?
It's manufactured with high-quality forgings for strength, machined to micron tolerances, and fitted with a chloroprene rubber boot, plus anti-corrosion protection on each part.
What other part numbers does this ball joint cross to?
It interchanges with numbers including 101-5433, 610.44048, 43330-59065, 43330-59066, 43330-59135, BJ05004, BJ64104, BJ64104XL, K500067, GS86511, MS86511 and JBJ7559.
What are the signs of a worn ball joint?
Clunking or knocking from the front suspension over bumps, loose or wandering steering, and uneven tire wear. Diagnose the cause before replacing, as other parts can cause these symptoms.
