CSF 3948 Radiator
OE Quality 60-Day Returns
CSF

CSF 3948 Radiator

Brand CSF 3948
Core Thickness 7/8
Core Width 19 3/16
Core Material Aluminum
Tank Material Plastic
Core Length 34 15/16
Inlet Diameter 1 5/16 left
Outlet Diameter 1 9/16 right
Down Flow Or Cross Flow Type Cross flow
Box Height (in) 6 1/4
Box Length (in) 44 7/16
Box Weight (lbs) 17
Box Width (in) 25 1/8
Hazardous Material No
Inlet Length (in) 19 15/16
Inlet Width (in) 1 9/16
No. Of Rows 1
Oil Cooler (in) 11 1/2 right (high-efficiency plate type)
Outlet Length (in) 19 15/16
Outlet Width (in) 2 7/16
Radiator Cap Supplied No
Tech Note O.e.m. style plastic tank & aluminum core with quick-connect oil
Fits Cadillac, Chevrolet, and GMC · 25 vehicles

Cross-flow design. Promotes efficient cooling with left-in, right-out flow.

Aluminum core. Lightweight construction helps transfer heat effectively.

OE-style fitment. Plastic tank and aluminum core match the original layout.

Cross-references BBB Industries 13921, Dorman - HELP 13908 and Dorman - HELP 13920 for the same application. See all 8.

$184.95Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $184.95
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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Radiator for Escalade, Tahoe, Yukon

CSF 3948 is an OE-style radiator built with an aluminum core and plastic tanks for the 2021-2025 Cadillac Escalade, Cadillac Escalade ESV, Chevrolet Tahoe, GMC Yukon, and GMC Yukon XL. It uses a cross-flow design with quick-connect oil cooler fittings and is engineered for direct replacement service on upgraded-model applications.

Key Features

  • Aluminum core with plastic tank construction
  • Cross-flow radiator design
  • Single-row core, 7/8 in. thickness
  • Core dimensions: 34 15/16 in. length x 19 3/16 in. width
  • Inlet: 1 5/16 in. left; outlet: 1 9/16 in. right
  • 11 1/2 in. right-side high-efficiency plate-type oil cooler
  • O.E.M.-style quick-connect oil cooler fittings
  • Radiator cap not supplied

Detailed Description

CSF part number 3948 is designed for modern full-size GM SUVs that require a radiator with integrated oil cooler provisions. The aluminum core helps transfer heat efficiently, while the plastic tank design follows the original equipment layout for service replacement. This radiator is listed for 2021-2025 Cadillac Escalade and Escalade ESV, 2021-2025 Chevrolet Tahoe, and 2021-2025 GMC Yukon and Yukon XL upgraded-model applications. This part cross-references Dorman - HELP 13908 and 13920 for the same application.

Common Issues Addressed

  • Cracked or leaking radiator tanks
  • Restricted coolant flow from an aging core
  • Transmission or engine oil cooler connection wear
  • Overheating caused by reduced heat exchange efficiency
  • Coolant loss from damaged inlet or outlet connections

Installation Notes and Tips

Verify the vehicle’s upgraded-model configuration before ordering, since fitment is specific to the listed applications. Confirm inlet and outlet orientation, along with the quick-connect oil cooler fittings, before installation. Transfer any required components from the original radiator if they are not supplied with this unit. CSF 3948 is a direct-fit replacement radiator for the listed Cadillac, Chevrolet, and GMC models.

Quality Assurance

CSF manufactures radiators in ISO/TSO-certified facilities and validates cooling performance through laboratory wind-tunnel testing. The brand has supplied radiators worldwide for more than 50 years and produces a broad catalog of OE-style cooling components for many vehicle platforms.

Related reading

This part fits 25 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2025CadillacEscalade6.2LV8N/AUpgraded Model
2025CadillacEscalade ESV6.2LV8N/AUpgraded Model
2025ChevroletTahoe5.3LV8N/AUpgraded Model
2025GMCYukon5.3LV8N/AUpgraded Model
2025GMCYukon XL5.3LV8N/AUpgraded Model
2024CadillacEscalade6.2LV8N/AUpgraded Model
2024CadillacEscalade ESV6.2LV8N/AUpgraded Model
2024ChevroletTahoe6.2LV8N/AUpgraded Model
2024GMCYukon5.3LV8N/AUpgraded Model
2024GMCYukon XL6.2LV8N/AUpgraded Model
2023CadillacEscalade6.2LV8N/AUpgraded Model
2023CadillacEscalade ESV6.2LV8N/AUpgraded Model
2023ChevroletTahoe5.3LV8N/AUpgraded Model
2023GMCYukon6.2LV8N/AUpgraded Model
2023GMCYukon XL5.3LV8N/AUpgraded Model
2022CadillacEscalade6.2LV8N/AUpgraded Model
2022CadillacEscalade ESV6.2LV8N/AUpgraded Model
2022ChevroletTahoe5.3LV8N/AUpgraded Model
2022GMCYukon5.3LV8N/AUpgraded Model
2022GMCYukon XL5.3LV8N/AUpgraded Model
2021CadillacEscalade6.2LV8N/AUpgraded Model
2021CadillacEscalade ESV6.2LV8N/AUpgraded Model
2021ChevroletTahoe6.2LV8N/AUpgraded Model
2021GMCYukon6.2LV8N/AUpgraded Model
2021GMCYukon XL5.3LV8N/AUpgraded Model
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 13921Dorman - HELP — 13908Dorman - HELP — 13920842437488557581785575818GM3010633GM3010636