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CURT
Verify Fitment
Select your vehicle to confirm this part fits.
2006 Lexus GS300
Confirmed to Fit
2007 - 2011 Lexus GS350
Confirmed to Fit
2006 - 2007 Lexus GS430
Confirmed to Fit
2006 - 2013 Lexus IS250
Confirmed to Fit
2006 - 2012 Lexus IS350
Confirmed to Fit








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Always the correct part
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Select your vehicle to find the exact plug-and-play parts that fit — no cutting or splicing.
Trailer hitch weight ratings are limited to vehicle manufacturer's stated capacities
Uses pre-existing vehicle hardware for installation
Warranty: Limited Lifetime Warranty (One-Year Finish, One-Year Parts)
Main Body Shape: Round
Receiver Tube Size (Inches): 1-1/4 IN
Finish: GLOSS BLACK POWDER COAT
WC / TW (Pounds): 200 LB / 2,000 LB
Weight Carrying Capacity (Pounds): 2,000 LB
WC Tongue Weight (Pounds): 200 LB
Installation Difficulty: Novice
Installation Time Exact (Minutes): 45
However you define adventure -- whether it's climbing onto the back of a mountain bike, hunting from the top of a tree stand or camping with the family a long way from nowhere -- CURT class 1 hitches provide a light-duty towing receiver to help you Bring It. Each is made to fit a specific vehicle, providing easier installation, a better fit and optimal towing capacity. Custom class 1 trailer hitches are available for a variety of smaller vehicle types, including the compact car, crossover, minivan and small SUV. This particular class 1 hitch is designed to be a custom hitch for certain years of the Lexus GS300, GS350, GS430, IS250 and IS350 (to verify vehicle compatibility, see the CURT application guide at curtmfg.com). Tested in accordance with SAE J684, it offers a weight carrying capacity of 2,000 lbs. GTW and 200 lbs. TW. It is equipped with 1-1/4" receiver tube opening to accept a ball mount shank or other hitch mount. This class 1 hitch also comes with all necessary mounting hardware. With its lightweight design and smaller receiver tube size, a class 1 hitch is especially useful for adding cargo space with a hitch-mounted bike rack or cargo carrier. They can also typically be used to tow small trailers such as a utility trailer, kayak trailer or teardrop camper (never exceed the lowest weight capacity of any towing component; i.e. the vehicle, hitch, trailer, etc). Though CURT class 1 trailer hitches are only intended for light-duty towing, we apply the same principles of quality as we do to the rest of our rear mount hitches. Each class 1 hitch is made with hands-on engineering, high-strength steel and precise welding. We use a co-cured finish of liquid A-coat, inside and out, and durable black powder coat to provide a lasting defense against rust, chips and UV rays.

CURT offers a variety of high-quality trailer hitches and accessories for select vehicle models. Find the perfect fit for your towing needs at TowUniverse.
CURT, a Lippert brand, offers a complete line of towing products and is the leading manufacturer of custom-fit trailer hitches. We offer the broadest selection of custom-fit hitches, and each one is designed, welded, and coated in Wisconsin.
CURT is also a leader in flat towing products, as well as 5th wheel, gooseneck, and weight distribution hitches, ball mounts, electrical components, cargo solutions, and other towing accessories.
For everything from passenger cars and vans to full-size pickups and SUVs, CURT is 'The First Name in Towing Products®.'
Experts available to answer your questions
Call 888-634-9494Rediscover "Us" Time | Tested. Proven. Safe. Towing Products
5 compatible vehicles
| Year | Make & Model | Style | Notes |
|---|---|---|---|
| 2006 | Lexus GS300 | — | No Drilling Required Installation Time: 30-60 minutes Undercar Trimming: required Visibility: Exposed |
| 2007 - 2011 | Lexus GS350 | — | No Drilling Required Installation Time: 30-60 minutes Undercar Trimming: required Visibility: Exposed |
| 2006 - 2007 | Lexus GS430 | — | No Drilling Required Installation Time: 30-60 minutes Undercar Trimming: required Visibility: Exposed |
| 2006 - 2013 | Lexus IS250 | Sedan | No Drilling Required Installation Time: 30-60 minutes Undercar Trimming: required Visibility: Exposed |
| 2006 - 2012 | Lexus IS350 | Sedan | No Drilling Required Installation Time: 30-60 minutes Undercar Trimming: required Visibility: Exposed |
The CURT Class 1 Hitch, 1-1/4" Receiver, Select Lexus GS300, GS350, GS430, IS250, IS350 Trailer Hitch (Part #BKDK11372) fits the following vehicles: 2006 Lexus GS300; 2007-2011 Lexus GS350; 2006-2007 Lexus GS430; 2006-2013 Lexus IS250; 2006-2012 Lexus IS350. Always verify your specific year, make, and model before ordering.
Yes, the CURT Class 1 Hitch, 1-1/4" Receiver, Select Lexus GS300, GS350, GS430, IS250, IS350 Trailer Hitch (Part #BKDK11372) is designed to fit the 2006 Lexus GS300.
The CURT Class 1 Hitch, 1-1/4" Receiver, Select Lexus GS300, GS350, GS430, IS250, IS350 Trailer Hitch (Part #BKDK11372) fits 2006 Lexus GS300 models. The 2013 model year is the last year covered by this part number. For newer models, check for an updated version.
The CURT Class 1 Hitch, 1-1/4" Receiver, Select Lexus GS300, GS350, GS430, IS250, IS350 Trailer Hitch (Part #BKDK11372) Drilling is not required for installation. Typical installation time is 30-60 minutes. Basic hand tools are typically all you need.
The manual does not provide legible specifications for hitch weight or gross load capacity. Contact Curt Manufacturing technical support at 1-877-287-8634 for these values.
Yes. Curt part 11372 is designed for Lexus IS250, IS350, GS350, and GS430 models. The manual also lists part number 29134 as an alternative part number for the same hitch.
The hitch is designed for use with ballmount #55001 or #45001. These are sold separately and must be purchased to complete the towing system.
You will need: 8mm and 17mm sockets, a 12-inch extension, a ratchet, a torque wrench, and tin snips. The torque wrench is essential because M12 fasteners must be torqued to 79 ft-lbs.
No. The installation notes explicitly state that no drilling is required. The hitch uses existing frame rail fasteners and weld nuts.
Yes. The heat shields must be trimmed to clear the hitch side plates. The manual indicates a 3.5-inch area to trim on each heat shield. Trim as needed if the shields interfere with the hitch side plates. On the GS350, you must also bend the lower rear edge of the heat shields away from the side plates after reinstallation.
Yes. The exhaust must be lowered as part of the installation process. You will remove the two rearmost rubber isolators from the hanger bracket on each muffler to allow the exhaust to hang. The exhaust is then raised back into position after the hitch is installed.
1. Lower the exhaust by removing the two rearmost rubber isolators from each muffler hanger bracket. 2. Remove the six hex flange bolts securing the exhaust hanger brackets and save them. 3. Remove the four nuts securing each heat shield and remove the shields. Trim them as needed. 4. Reinstall the heat shields without the nuts. 5. Raise the hitch into position against the frame rails and reinstall the exhaust hanger brackets using the six bolts from step 2 (the hitch is sandwiched between the frame rails and brackets). 6. Torque all M12 hardware to 79 ft-lbs. 7. Raise the exhaust and reinstall the four rubber isolators.
All M12 hardware must be torqued to 79 ft-lbs. This includes the hex flange bolts that secure the exhaust hanger brackets and the fasteners that attach the hitch to the frame rails.
Yes. The six hex flange bolts that secure the exhaust hanger brackets are removed in step 2 and saved for reuse in step 5. These same bolts are reinstalled to sandwich the hitch between the frame rails and the exhaust hanger brackets.
The four nuts securing each heat shield are removed in step 3. The heat shields are then reinstalled in step 4 without the nuts. The manual does not specify whether the nuts are reused or discarded, so contact Curt Manufacturing technical support at 1-877-287-8634 for clarification.
You must not exceed your vehicle manufacturer's recommended towing capacity. The manual states this as a critical warning. For specific capacity information for your Lexus model, consult your vehicle owner's manual or contact your Lexus dealer.
Non-trailer loads can be applied to the hitch only if they are supported by auxiliary stabilizing straps. Failure to properly support non-trailer loads will void the product warranty. Do not rely on the hitch alone to support loads other than a trailer.
Periodically check the receiver hitch to ensure that all fasteners are tight and that all structural components are sound. The manual does not specify an exact interval, so check before each towing use and at least monthly if the hitch is installed but not in regular use.
Yes, Curt 11372 is designed for Lexus IS250, IS350, GS350, and GS430. You will also need ballmount #55001 or #45001, sold separately.
No drilling required. The hitch uses existing frame rail fasteners. You will need to lower the exhaust and trim heat shields to clear the hitch side plates.
You need 8mm and 17mm sockets, a 12-inch extension, ratchet, torque wrench, and tin snips. A torque wrench is essential because fasteners must be torqued to 79 ft-lbs.
All M12 hardware must be torqued to 79 ft-lbs.
Do not exceed your vehicle manufacturer's recommended towing capacity. Consult your Lexus owner's manual for your specific model's capacity.
Non-trailer loads must be supported by auxiliary stabilizing straps. Failure to properly support non-trailer loads voids the warranty.
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