Quick Summary
Looking for the correct oil type for your 1988 Chevrolet G20 HD VAN? According to factory specs, the 4.3L 6 -cyl Engine Code [Z] Z requires 10W-30 viscosity oil. Using the right oil capacity of 5.0 QUARTS ensures engine longevity and fuel efficiency.
🛢️ 4.3L 6 -cyl Engine Code [Z] Z
Verified Data
Capacity
5.0 QUART
Viscosity
10W-30
Drain Plug Torque: 18 ft/lbs
Factory Filter: EAO23
Recommended Products
-
🛢️
Shop Correct Oil (10W-30) ensure matches factory spec
-
⚙️
Shop Oil Filter (EAO23) replace every oil change
-
🔧
Crush Washers/Gaskets don't reuse old ones!
- 🥣 Oil Drain Pan
- 🌪️ Funnel Set
🛢️ 5.0L 8 -cyl Engine Code [H] H
Verified Data
Capacity
See Manual
Viscosity
See Manual
Factory Filter: transmission
Recommended Products
-
🛢️
Shop Correct Oil (See Manual) ensure matches factory spec
-
⚙️
Shop Oil Filter (transmission) replace every oil change
-
🔧
Crush Washers/Gaskets don't reuse old ones!
- 🥣 Oil Drain Pan
- 🌪️ Funnel Set
🛢️ 5.7L 8 -cyl Engine Code [K] K
Verified Data
Capacity
5.1 QUART
Viscosity
10W-30
Drain Plug Torque: 20 ft/lbs
Factory Filter: EAO24
Recommended Products
-
🛢️
Shop Correct Oil (10W-30) ensure matches factory spec
-
⚙️
Shop Oil Filter (EAO24) replace every oil change
-
🔧
Crush Washers/Gaskets don't reuse old ones!
- 🥣 Oil Drain Pan
- 🌪️ Funnel Set
🛢️ 6.2L 8 -cyl Engine Code [C] C Diesel
Diesel
Verified Data
Capacity
7.0 QUART
Viscosity
10W-30
Factory Filter: EAO24
Recommended Products
-
🛢️
Shop Correct Oil (10W-30) ensure matches factory spec
-
⚙️
Shop Oil Filter (EAO24) replace every oil change
-
🔧
Crush Washers/Gaskets don't reuse old ones!
- 🥣 Oil Drain Pan
- 🌪️ Funnel Set
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