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Resolved 4g37 Balance Shaft Seals

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BLACK'98DSM

5+ Year Contributor
4,471
1,905
Feb 9, 2019
Alabama
I'm wondering if there's a difference between each of the balance shaft seals on a 1g 4g37?
I'm shopping for new ones and keep seeing them labeled "right side". But I haven't found any labeled left side... Visually they look the same diameter to me. But they are different colors on my engine (one is brown one is black). I wasn't sure if that's because they're different parts or if someone just replaced one of them at some point.
 
Solution
4g37 = 1g 1.8L?
Wouldn't the left side be the oil pump drive gear shaft seal (MD343566)? I don't see a castle nut/o-ring on this model like the 4g63.
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4g37 = 1g 1.8L?
Wouldn't the left side be the oil pump drive gear shaft seal (MD343566)? I don't see a castle nut/o-ring on this model like the 4g63.
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Solution
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