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GMC Yukon T1XX (5th Generation)
2021–2026 · GMT T1XX · suv
Fifth-generation Yukon on the T1XX platform (sibling to T1XX Tahoe / Suburban / Escalade). First Yukon with independent rear multilink suspension. Engines: 5.3L L84 V8 (DFM), 6.2L L87 V8, 3.0L LM2/LZ0 Duramax inline-six diesel. 10-speed automatic. AT4 off-road trim; Denali and Denali Ultimate up top.
Watch out: 3.0L LM2 Duramax CP4.2 fuel pump failure on 2020-2022 builds — pump shrapnel contaminates the entire fuel system; $10,000+ repair. NHTSA EA22-002 documents the pattern.
What your Yukon takes
The parts and fluids that fit this generation. Specs we publish are confirmed against two independent sources; the rest fill in as we verify them.
- Tire size265/65R18✓ VerifiedView
- Wiper blades22" driver · 22" passenger · 12" rear✓ VerifiedView
- Engine oil0W-20 (7 qt) · 0W-20 (8 qt)✓ VerifiedView
- BatteryGroup 94R · 730 CCA min✓ VerifiedView
- CoolantDEX-COOL (GM GMW3420)From owner's manualShop
- Oil filterNot catalogued yetFind yours
- Engine air filterNot catalogued yetFind yours
- Cabin air filterNot catalogued yetFind yours
- Spark plugsNot catalogued yetFind yours soon
- Headlight bulbsNot catalogued yetFind yours soon
- Brake fluidNot catalogued yetFind yours soon
- Transmission fluidNot catalogued yetFind yours soon
- Tire pressureNot catalogued yetFind yours soon
- Key fob batteryNot catalogued yetFind yours soon
- Power steering fluidNot catalogued yetFind yours soon
- Differential fluidNot catalogued yetFind yours soon
- Serpentine beltNot catalogued yetFind yours soon
- Brake padsNot catalogued yetFind yours soon
- Wheel fitmentNot catalogued yetFind yours soon
- Brake rotorsNot catalogued yetFind yours soon
- ThermostatNot catalogued yetFind yours soon
- A/C refrigerantNot catalogued yetFind yours soon
- Fuel filterNot catalogued yetFind yours soon
Floor mats
Our top custom-fit pick for the GMC Yukon is the WeatherTech Custom Fit FloorLiners 1st, 2nd & 3rd rows.
Floor mats for the GMC Yukon →Full clubhouse — owner Garage Lineage, common problems, year-by-year notes, and product picks — is on the build list.
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