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OE Quality
60-Day Returns
CSFPart #: 3956
CSF 3956 Radiator
13 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$169.56Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
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*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick and Chevrolet, Encore GX and Trailblazer
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Radiator options
CSF 3956 Radiator
| Brand | CSF |
|---|---|
| Part Number | 3956 |
| Core Thickness | 7/8 |
| Core Width | 14 5/8 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 26 3/4 |
| Inlet Diameter | 1 5/16 left |
| Outlet Diameter | 1 5/16 right |
| Down Flow Or Cross Flow Type | Cross flow |
| Box Height (in) | 6 1/16 |
| Box Length (in) | 36 3/16 |
| Box Weight (lbs) | 9 |
| Box Width (in) | 19 |
| Hazardous Material | No |
| Inlet Length (in) | 15 7/16 |
| Inlet Width (in) | 1 5/16 |
| No. Of Rows | 1 |
| Oil Cooler (in) | No |
| Outlet Length (in) | 15 7/16 |
| Outlet Width (in) | 1 5/16 |
| Radiator Cap Supplied | No |
| Tech Note | O.e.m. style plastic tank & aluminum core. upgraded heavy duty co |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2026 | Buick | Encore GX | 1.2L | L3 | N/A | Upgraded Heavy Duty Core. 10% Thicker 22mm vs OEM 20mm |
| 2026 | Chevrolet | Trailblazer | 1.2L | L3 | N/A | Upgraded Heavy Duty Core. 10% Thicker 22mm vs OEM 20mm |
| 2025 | Buick | Encore GX | 1.2L | L3 | N/A | Upgraded Heavy Duty Core. 10% Thicker 22mm vs OEM 20mm |
| 2025 | Chevrolet | Trailblazer | 1.2L | L3 | N/A | Upgraded Heavy Duty Core. 10% Thicker 22mm vs OEM 20mm |
| 2024 | Buick | Encore GX | 1.2L | L3 | N/A | Upgraded Heavy Duty Core. 10% Thicker 22mm vs OEM 20mm |
| 2024 | Chevrolet | Trailblazer | 1.2L | L3 | N/A | Upgraded Heavy Duty Core. 10% Thicker 22mm vs OEM 20mm |
| 2023 | Buick | Encore GX | 1.2L | L3 | N/A | Upgraded Heavy Duty Core. 10% Thicker 22mm vs OEM 20mm |
| 2023 | Chevrolet | Trailblazer | 1.2L | L3 | N/A | Upgraded Heavy Duty Core. 10% Thicker 22mm vs OEM 20mm |
| 2022 | Buick | Encore GX | 1.2L | L3 | N/A | Upgraded Heavy Duty Core. 10% Thicker 22mm vs OEM 20mm |
| 2022 | Chevrolet | Trailblazer | 1.2L | L3 | N/A | Upgraded Heavy Duty Core. 10% Thicker 22mm vs OEM 20mm |
| 2021 | Buick | Encore GX | 1.2L | L3 | N/A | Upgraded Heavy Duty Core. 10% Thicker 22mm vs OEM 20mm |
| 2021 | Chevrolet | Trailblazer | 1.2L | L3 | N/A | Upgraded Heavy Duty Core. 10% Thicker 22mm vs OEM 20mm |
| 2020 | Buick | Encore GX | 1.2L | L3 | N/A | Upgraded Heavy Duty Core. 10% Thicker 22mm vs OEM 20mm |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
138774267068742771759GM3010634
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.