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LEMS Differential Cooling Diffuser for URL10 Lexus GS-F & USC10 RC-F



LEMS Differential Cooling Diffuser

These items are typically not in stock and either made-to-order or special order from the manufacturer. After you order we will confirm the estimated lead time and other order details. If you have a specific deadline to receive this order please talk to us before placing your order to ensure that the manufacturer can meet your expectations.
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SKU: LEMSDCF-GSF/RCF Category: Vehicle: Brand:
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LEMS Differential Cooling Diffuser for URL10 Lexus GS-F & USC10 RC-F

Elevate your vehicle’s performance with the LEMS Differential Cooling Diffuser. Crafted from robust aluminum plate and stainless steel, this innovative product provides an efficient cooling solution for your vehicle’s differential system.

Premium Materials

  • The Cooling Diffuser is constructed from a durable aluminum plate and a stainless steel stay. This combination of materials ensures a lightweight yet robust product, with a total weight of just 700g.


  • With dimensions of 500mm x 400mm x 150mm, the Cooling Diffuser is designed to fit seamlessly into your vehicle, offering a streamlined solution to differential heat management.

Cooling Efficiency

  • Especially effective during high-speed runs on highways and beyond the third lap on tracks, this diffuser utilizes the airflow created by the vehicle’s movement to forcibly cool the differential body. This helps prevent the differential oil temperature from reaching critical levels, thus reducing the chances of abnormal noises and performance hiccups.

Broad Compatibility

  • The Cooling Diffuser is suitable for both Torsen differential and Torque Vectoring Differential (TVD) equipped vehicles, making it a versatile solution for differential cooling needs.

Considerations for Installation

  • Please note that depending on your vehicle, some processing or separate parts may be required for installation. If external body reinforcement parts are installed, some of these parts may need to be reverted to their original state. Additionally, if the center muffler has been replaced with an aftermarket intermediate pipe, a fin that cools the differential may disappear.


  • 2016-2020 Lexus GS-F – URL10
  • 2015+ Lexus RC-F – USC10

About LEMS

LEMS is a prestigious name in the realm of automotive aftermarket parts, specializing in components for Lexus vehicles. As industry leaders, LEMS is known for their commitment to quality, performance, and precision engineering. Every product they produce—from performance-enhancing upgrades to aesthetic modifications—is designed to seamlessly integrate with Lexus vehicles, optimizing performance while maintaining the brand’s luxurious feel. Through rigorous testing and innovative design, LEMS ensures that each part meets the highest standards of reliability and durability. The LEMS team shares a passion for automotive excellence, continually pushing boundaries to provide Lexus owners with superior aftermarket solutions. Their products not only enhance vehicle performance, but also uphold the prestige and elegance synonymous with the Lexus brand.

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.
Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.
We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at [email protected] with any inquiries.


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