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- – 6-month term
- – No impact on credit to apply
- – Instant approval decision
- – Secure and straightforward checkout
Ready to go? Add this product to your cart and select a plan during checkout.
Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.
Learn more about financing & leasing here.
Free shipping on this product
30-day returns
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30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
In Stock.
Arrives
Friday, Nov 6
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At a glance
- Condition
- New
- Model
- RK1145
- Weight
- 13.2 lb
- Exterior
- Aluminum, Plastic
- OEM Part Number
- 2853, 41-2853A, CU2853
Features 5
- FITMENT: Exact-fit radiator for Buick & Cadillac, Lucerne 2006-2011 DTS 2006-2011, FWD V8 4.6L. Verify fitment before ordering
- WHAT'S INCLUDED: 1 radiator. Core width: 14.88" (378.0 mm) | Core height: 30.5" (774.7 mm) | Core Rows: 1 | Transmission Type: Automatic Transmission | Engine Oil Cooler: No | Transmission Oil Cooler: Yes. Radiator cap NOT included
- COOLING PERFORMANCE: Built to support steady coolant temperatures and reliable heat dissipation for daily driving
- IMPORTANT FITMENT NOTES: Review engine, transmission and cooling-package details before ordering. Professional installation would be highly recommended
- BEFORE YOU BUY: Confirm year, make, model, engine, cooling-package details and transmission details before ordering
Specs 8
| Manufacturer | Auto Shack |
|---|---|
| Brand | Auto Shack |
| Item Weight | 13.2 pounds |
| Package Dimensions | 38 x 20.7 x 6.5 inches |
| Item model number | RK1145 |
| Exterior | Aluminum, Plastic |
| Manufacturer Part Number | RK1145 |
| OEM Part Number | 2853, 41-2853A, CU2853 |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, Nov 6
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
- Klarna Financing
- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- Zip Pay in 4
- Financing through Apple Pay
- Financing through Google Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
On time fit like oem
Fit and works great
Reviewed in the United States on September 27, 2025 by Brandon Marshall
Unbelievable price and availability
They seem to have almost everything I need for my cars. And WOW on the prices. Initially had problems with the delivery but it was the mechanics fault. Great company. Hope this review helps. Thanks DrFna
Reviewed in the United States on November 17, 2023 by DrF
AutoShack RK1145 30.5in. Complete Radiator
Arrived on time. Good price for quality product. Was easy direct replacement as stated,
Reviewed in the United States on August 12, 2021 by Clifford S. Bombard
Doesn’t fit
This doesn’t fit a 2007 Buick Lucerne 3.8l has no radiator cap
Reviewed in the United States on June 15, 2026 by Amazon Customer
Works great, fits comfortably in front of car
I have never ridden a camel or a horse, I’m 46 years ok!
Reviewed in the United States on August 18, 2021 by Johan
Perfect fit
The price was right , and fit exactly, only been in the car for a week , time will tell if it holds up like the factory one
Reviewed in the United States on October 24, 2021 by cory
Great product
Great product
Reviewed in the United States on March 27, 2023 by Maurice Abel
good doing buisness with you
this radiator worked perfectly fine on my vehicle. i will be shopping again with you.
Reviewed in the United States on January 21, 2021 by Amazon Customer