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Chevrolet Silverado T1XX (4th Generation)

2019–2026 · T1XX · truck

T1XX is the current-gen Silverado, launched 2019. Replaces AFM with DFM (Dynamic Fuel Management, 17 cylinder-firing patterns). Engines: 2.7L Turbo I4, 5.3L L84 V8, 6.2L L87 V8, 3.0L LM2/LZ0 Duramax inline-6 diesel. 10-speed automatic (10L80/10L90) co-developed with Ford. ZR2 off-road trim added 2022.

Watch out: 3.0L LM2 Duramax high-pressure fuel pump failures on 2020-2022 trucks — when the Denso HP4 pump fails, metal contaminates the entire fuel system and the repair runs $10,000+. The 5.3L L84 also carries the AFM/DFM lifter risk inherited from the K2XX generation.