Radiator & Components for 2026 GMC Yukon XL
1. Radiator 
2. Upper 
3. Lower Hose 
4. Reservoir Cap 
5. Lower Baffle Bolt 
6. Lower Baffle Bolt 
7. Lower Hose 
8. Cap 
9. Cap 
10. Cap 
11. Reservoir Cap 
12. Reservoir Cap 
13. Cap 
14. Reservoir Cap 
15. Reservoir Cap 
16. Reservoir Cap 
17. Reservoir Cap 
18. Reservoir Cap 
19. Reservoir Cap 
20. Cap 
21. Shutter Bolt 
22. Reservoir Cap 
23. Reservoir Cap 
24. Reservoir Cap 
25. Lower Shutter Bolt 
26. Shutter Bolt 
27. Reservoir Cap 
28. Reservoir Cap 
29. Reservoir Cap 
30. Reservoir Cap 
31. Reservoir Cap 
32. Reservoir Cap 
33. Reservoir Cap 
34. Reservoir Cap 35. Lower Baffle Bolt No.
Part # / Description / Price
Price
1
Engine Radiator 
GM
GM Description: GM Genuine Parts Engine Radiator (Part Number: 86785339) is an OE radiator assembly designed for engine cooling and heat exchange to help maintain proper operating temperatures in heavy-duty and diesel applications. Type: GM OE Radiator Parts - Radiator As ...
MSRP $477.84
$313.94
MSRP $477.84
$313.94
3
Radiator Lower Insulator GM
GM Positions: Left
Notes: PARTS: Part included with radiator.
Description: GM Genuine Parts Radiator Lower Insulator (Part Number: 23409056) is a lower radiator insulator pad designed to support and cushion radiators for proper positioning and noise/vibration isolation. Intended for specific engine and vehicle configurations. Fun ...
MSRP $8.65
$6.23
MSRP $8.65
$6.23
4
Radiator Drain Petcock GM
GM Notes: PARTS: Part included with radiator.
Description: GM Genuine Parts Radiator Drain Petcock (Part Number: 22790134) is an OEM radiator drain valve designed to allow controlled coolant draining for maintenance and service. Type: Radiator drain petcock / drain plugFunction: Enables controlled drainage of cool ...
MSRP $24.48
$17.63
MSRP $24.48
$17.63
5
Engine Coolant Temperature Sensor GM
GM Notes: PARTS: Part included with radiator.
Description: ACDelco Engine Coolant Temperature Sensor (Part Number: 55497116) is a cooling-system temperature sensor that informs engine controls and driver instrumentation. Type: SENSOR ASM-ENG COOL TEMP (PART OF COOLING SYSTEM)Function: Monitors engine coolant tempe ...
MSRP $13.26
$7.96
MSRP $13.26
$7.96
6
Hose GM
GM Description: Silverado, sierra. 3.0L diesel. Suburban. Tahoe. Escalade ESV. Yukon XL. 2023-26. Engine Cooling.
MSRP $98.31
$65.48
MSRP $98.31
$65.48
6
Air Outlet Tube GM
GM Positions: Upper
Description: 3.0L diesel. 2023-26. Charge Air Cooling.
MSRP $141.72
$78.65
MSRP $141.72
$78.65
7
Lower Hose Clamp GM
GM Description: GM Genuine Parts Lower Hose Clamp (Part Number: 11548976) is an OE radiator hose clamp intended for securing coolant hoses and ensuring leak-free connections in the cooling system. Function: Secures radiator and coolant hoses to fittings to maintain a reli ...
MSRP $9.59
$6.91
MSRP $9.59
$6.91
7
Radiator Hose Clamp GM
GM Description: ACDelco Radiator Hose Clamp (Part Number: 11601882) is a GM OE radiator inlet hose clamp used to secure radiator hoses in high-temp cooling circuits for specified engines. Type: Radiator Hose ClampFunction: Prevents coolant leaks by providing secure hose r ...
MSRP $4.67
$3.36
MSRP $4.67
$3.36
8
Lower Hose GM
GM Description: GM Genuine Parts Radiator Outlet Hose Assembly (Part Number: 85510542) is a radiator outlet hose built to OE cooling system specifications to route coolant between engine and radiator components. Type: Radiator outlet (lower) hose assemblyFunction: Transpo ...
MSRP $85.60
$57.01
MSRP $85.60
$57.01
8
Inter-Cooler Hose GM
GM Positions: Lower
Description: GM Genuine Parts Auxiliary Radiator Inlet Hose (Part Number: 85510518) is a cooling-system hose that feeds coolant to an auxiliary radiator or charge-air cooler as specified. Function: Routes coolant to an auxiliary radiator or charge-air cooler to support ...
MSRP $47.29
$32.34
MSRP $47.29
$32.34
10
Radiator Surge Tank GM
GM Description: GM Genuine Parts Radiator Surge Tank (Part Number: 84645616) is a coolant recovery/reservoir tank engineered to store and return coolant to the system as pressures and temperatures change. Function: Stores excess heated coolant during pressure rise and rei ...
MSRP $38.57
$26.38
MSRP $38.57
$26.38
12
Vent Hose GM
GM Description: 3.0L diesel. upper. 2020-22 3.0L diesel. #1. 2023-26 3.0L diesel. #1.
MSRP $55.15
$37.72
MSRP $55.15
$37.72
13
MSRP $65.77
$42.76
14
Multi-Purpose Clamp GM
GM Description: GM Genuine Parts Multi-Purpose Clamp (Part Number: 90530642) is a throttle body / heater outlet inlet hose clamp designed to secure hoses in emissions and HVAC systems. Category: Emission Control PartsFunction: Provides secure hose clamping to prevent leak ...
MSRP $12.52
$7.51
MSRP $12.52
$7.51
15
MSRP $72.58
$49.64
16
Multi-Purpose Clamp GM
GM Description: GM Genuine Parts 5-Pack of Engine Coolant Reservoir Overflow Hose Clamps (Part Number: 90572594) is a set of OE hose clamps designed to secure the coolant reservoir overflow hose and help prevent leaks. Manufactured to GM standards for secure clamping and ...
MSRP $2.84
$1.94
MSRP $2.84
$1.94
