
Plastic Thru Hull Fittings
Sturdy, marine-grade plastic does not corrode, making it a good choice for boat thru-hull fittings. Shopping for plastic thru-hull fittings? Check out Great Lakes Skipper's vast inventory of new and replacement plastic marine boat thru-hull fittings. We carry thru-hull connectors, thru hull fittings, thru hull connectors with scuppers, mushroom head thru hulls, and 90-degree elbow through-hull fittings in a range of diameters and sizes. Featuring discount prices on parts from brands like Perko, Flow-Rite, Plasform, Southco, TH Marine, and many more names you know, Great Lakes Skipper is the place to shop and save on marine boat parts of all kinds.
Shop Products
- Heyco Marine Boat Locknut Fastener 600557 | 1 1/4 Inch Black NylonGLS Stock #: 8402180-AT633$0.95 MSRP: $1.48
- Heyco Boat Hex Nut | Black Nylon 3 1/8 x 3/8 Inch 2 NPTGLS Stock #: 1115076-BD222$2.95 MSRP: $3.98
- Marine East Boat Nylon Thru Hull | 3/4 Inch Barbed 90 DegreeGLS Stock #: 1016958-AE673$2.95 MSRP: $3.98
- Whitecap Boat Thru Hull 3810B | 90 Degree 1 1/8 Inch Black NylonGLS Stock #: 1101076-FJ808$4.95 MSRP: $6.93
- Whitecap Boat 90 Degree Thru Hull S-3808C | 3/4 Inch Black NylonGLS Stock #: 1105381-BQ555$9.95 MSRP: $13.43
- Whitecap Boat Thru Hull S-3803 | Rinker 1 1/8 Inch Black SilverGLS Stock #: 1095826-BN641$12.95 MSRP: $17.04
- Trident Marine Boat Bulkhead Fitting 1438-8439 | Straight-Thru NylonGLS Stock #: 1111047-BP156$20.95 MSRP: $28.28