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The automatic transmission in the 1988 Dodge Trucks take Dexron II or Dexron III automatic Transmission Fluid.

The manual transmission are as follows: A230/250/390/833 or overdrive 4 speed take Dexron II or Dexron III. NP2500 takes SAE 10W-30 engine oil. The NP435 takes SAE 90 GL5 gear lube, as does the NP445. The NP 4500 takes 75w-90 Castrol Syntorq synthetic gear lube or equivalent.

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15y ago

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