-10%
  • Trusted by Racers

    Professional-grade parts used trackside.

  • Real Support, Real People

    Expert help during business hours.

  • Secure Shopping

    Encrypted checkout & trusted payments.

  • Fast U.S. Shipping

    Orders ship quickly from regional warehouses.

Cusco LSD RS1 Front Differential for Subaru Impreza GDB, GRB, GVB STI Models – Part Number cusLSD 184 C

Cusco
cusLSD 184 C
In stock
Limited-Slip Differential
$1,480.00 $1,332.00
Enhance your Subaru Impreza's handling and traction with the Cusco LSD RS1 Front Differential, designed specifically...
$1,332.00

Cusco LSD RS1 Front Differential for Subaru Impreza GDB, GRB, GVB STI Models – Part Number cusLSD 184 C

Enhance your Subaru Impreza's handling and traction with the Cusco LSD RS1 Front Differential, designed specifically for GDB, GRB, and GVB STI models. This high-performance limited-slip differential ensures optimal power distribution between wheels, improving stability during aggressive driving and cornering. Crafted with precision, the Cusco LSD RS1 delivers reliable performance for both street and track use. Its robust construction guarantees durability and consistent operation over time, making it an essential upgrade for Subaru enthusiasts seeking improved driving dynamics. Installation is straightforward, and the differential is engineered to fit seamlessly with your vehicle's existing drivetrain components. Whether you're upgrading for competitive racing or everyday driving, the Cusco LSD RS1 enhances vehicle responsiveness and control, providing a superior driving experience. Trust Cusco's reputation for quality and innovation with this essential part designed to meet the demands of performance-oriented Subaru Impreza owners.

Features:

  • Designed for Subaru Impreza GDB, GRB, and GVB STI models
  • Provides improved traction through limited-slip functionality
  • Durable construction for long-lasting performance
  • Optimizes power distribution for enhanced handling
  • Easy installation with seamless fitment

Fitment:
2004 Subaru Impreza WRX STI
2005 Subaru Impreza WRX STI
2006 Subaru Impreza WRX STI
2007 Subaru Impreza WRX STI
2007 Subaru Impreza WRX STI Limited

Read More
Read Less

Shipping

Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.

Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.

Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.

Returns

Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.

Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.

Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.

Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).

Your cart

×