1996 & on, (All except Metro & 6.6L diesel up to 2016) '99-on 4.3L, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L require adapter A-107, 6.6L Duramax Diesel 2017-on adapter A-107 required for recessed oil pan

[NOTICE]
Some Chevrolet models, such as (2500HD truck with 6.0L, Cavalier with 2.2L & 2.4L, Lumina with 3.1L & 3.8L, Impala with 3.4L & 3.8L, Venture with 3.4L) may not have enough space to install the valve.  An adapter is available to clear the interference.

WARNING!
Some models have recessed drain plug port. If the valve touches the oil pan before fully tightened, DO NOT install the valve.

1.8L, '98 & on Metro, Tracker(Suzuki engine), '04 - on, Aveo (Daewoo engine)

('01 - 2016) 6.6L  Duramax Diesel (Isuzu engines)
*H-001 (Straight hose end) is strongly recommended for 6.6L Duramax Diesel to avoid splashing oil.

2.0L, 2.2L, 2.3L, 2.4L, 2.5L(2016 Colorado requires A-107), 2.9L
3.1L, 3.4L, 3.5L, 3.6L, 3.7L, 3.9L 
4.2L, 4.9L engines
2.8L ('87-'93), 3.4L ('89 - '93), 4.3L (up to '89)
('96 - '00) 6.5L diesel
('01 - on) 8.1L
*('06 - on) HHR, Cobalt requires adapter A-107 to install the valve due to the recessed plug port.

[NOTICE]
A few models, such as the Lumina (4 cyl. & V6), Venture with V6 may not have enough space to install the valve. An adapter is available to clear the interference.