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Cusco 09-13 Lexus IS250/IS350 Type OS Rear Strut Bar (RWD Only) Cusco CUS198 541 A
Cusco 09-13 Lexus IS250/IS350 Type OS Rear Strut Bar (RWD Only) Cusco CUS198 541 A
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Cusco 09-13 Lexus IS250/IS350 Type OS Rear Strut Bar (RWD Only)

Cusco
CUS198 541 A
4996338198105
Strut Bars
1 Units In Stock - Ships Next Business Day
Cusco, Strut Bars, Suspension
$ 220.00 $ 198.00
$ 198.00

SKU: 198 541 A | UPC: 4996338198105

Cusco 2006-2014 Lexus IS250/IS350 Type OS Rear Strut Bar (RWD Only)

Cusco Type OS Rear Strut Bar connects the rear strut towers on 2006-2014 Lexus IS250 and IS350 RWD models. This brace reduces chassis flex under load for sharper turn-in and flatter cornering. Install it to feel tighter body control on street or track.

Key Features

  • Oval Pipe Construction: φ42.7 x 19.1mm oval steel pipe delivers high rigidity at 2.3kg weight for responsive handling without added bulk
  • Corrosion-Resistant Finish: Electrophoretic deposition coating protects against rust in harsh conditions
  • Direct Bolt-On Design: Uses factory mounting points for quick fitment on second-generation IS chassis
  • RWD-Specific Engineering: Tailored for rear-wheel drive layout to optimize rear-end stability
  • Motorsport Heritage: Proven in Japanese rally and circuit racing for durable performance

Product Notes

  • RWD models only. Not compatible with AWD variants
  • Check strut tower clearance with aftermarket coilovers before install
  • MPN 198 541 A includes mounting hardware and instructions

Installation Notes

  • Professional installation recommended.
  • Bolts to OEM rear strut tower brackets with provided hardware
  • No cutting or drilling required. Completes in 20-30 minutes

This Part Fits

Year Make Model Submodel
2006-2014 Lexus IS250 Base
2010-2014 Lexus IS250 C
2014 Lexus IS250 C F Sport
2014 Lexus IS250 F Sport
2006-2014 Lexus IS350 Base
2010-2014 Lexus IS350 C
2014 Lexus IS350 C F Sport
2014 Lexus IS350 F Sport

Why Choose Cusco?

  • Established Japanese brand since 1978 specializing in chassis reinforcements
  • High-tensile steel meets strict JIS material standards for strength
  • CAD-designed for exact OEM fitment on Lexus platforms

Frequently Asked Questions

  • Q: Does this strut bar fit AWD Lexus IS models?
    A: No, designed exclusively for RWD versions of 2006-2014 IS250 and IS350
  • Q: What material and finish does it have?
    A: High-tensile strength steel oval tubing with electrophoretic coating for rust protection
  • Q: What warranty covers this part?
    A: Cusco offers limited lifetime warranty against manufacturing defects when installed properly

Shipping & Handling

  • Method: UPS Ground or FedEx
  • Availability: In stock - ships same or next business day
  • Packaging: Protective cardboard tube 39 x 8 x 4 inches
  • Weight: 5.1 lbs

Request For Information

Have questions about Cusco 09-13 Lexus IS250/IS350 Type OS Rear Strut Bar (RWD Only)? Fill out the form below and we'll get back to you by the next business day.
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