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Your cart is empty.Pair of (2) GLM Exhaust wet joint manifolds compatible with 1983 - UP GM 4.3L V6 Cast iron. GLM : 51220; Mercury Part Number: 99746A17. fits UP to serial numbers starting with OM.
Jason Richburg
2025-08-20 18:41:01
There was an issue with one of the two packages that UPS returned to the seller. But the seller correct the issue and sent the package again to me which arrived yesterday. I would buy again from the seller. Good quality product
Christian Gyle Gilliam
2025-07-07 21:53:44
Order two and Came with everything pictured, but the gaskets are damaged from shipping so I’ll probably have to buy more. The manifolds their self look to be in decent shape but on parts of the casting it seems like either a bad grinding job or an old cracked pair that was repaired. Will follow up after installation and running with the boat.
CampingRuff4
2025-06-06 18:19:05
Bought a boat that wasn't winterized right..The job took some doing but isn't that hard, just cramped. This kit came with all gaskets, no bolts. Had the boat out half a dozen times and working great!
Bill S.
2025-04-30 15:56:39
Kit did not come with drain pipe only plug's, gaskets an bolt's. My complaints would be horrible grinding mark's on the casting face. Look like maybe to remove a namesake. Let's hope it don't weaken the casting thickness.
Shelton C.
2025-03-03 11:30:22
Part showed up on time. Was exactly what I needed. Included gaskets and drain plugs.
lori
2025-02-19 12:21:28
Excellent in everyway. Perfect fit and price. Had my boat up and running the next day.
mark norcia
2025-02-12 15:42:57
I didn't need to do that much extra work to fit them in
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