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Our Recommendation

Make
GMC
Model
Topkick C7500 Topkick (L18)
Engine
P
Year
2006-2009
Application
Recommendation
Capacity (ltr)
Engine (P)
  (a, b)
9.4
Transmission (Manual)
 
5.7 - 11.8
Transmission (Automatic)
  (c)
14.0 - 24.5
Axle (Wheel Bearings)
VERKOL GT-8/75w90
Axle (Code: Shift Motor Lubricant & Rear axle)
 
Axle (Code: Not Shift Motor Lubricant & Rear axle)
VERKOL GT-8/75w90
10.1 - 23.2
Coolant
  (f)
22.7 / 28.5 (d, e)
Power Steering
 
Grease points (Wheel bearings)
 
Grease points (Wheel bearings)
 

General Notes

There are no notes to display for this model

Lubricant / Capacity Notes

a.
All temperatures
b.
Alternative recommendations, <-29°C: EO GNM 6094M 0W-30
c.
Alternative recommendations: ATF ALL TES389
d.
Manual transmission, 22.7 litres
e.
Automatic transmission, 28.5 litres
f.
>-37°C

Oil Change Intervals

There is no Oil Change Interval data to display for this model