Marine Plumbing & Ventilation - Fittings

DIY Customs store has a wide selection of marine plumbing needs. Accessories, air conditioning, bilge pumps, blowers & heaters, impellers, livewell pumps, Marine sanitation, portable toilets, strainers and baskets, thru-hull fittings, transfer pumps, washdown /  pressure pumps. DIY Customs has all your needs.
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441
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Albin Group
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Attwood Marine
8
Beckson Marine
4
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6
Forespar Performance Products
6
GROCO
128
Jabsco
2
Johnson Pump
1
Perko
50
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314
$100 - $249
97
$250 - $499
21
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$2,500+
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  • Dometic MSD Fitting f/Small Tank 970 Series [385320006]
    Sale

    Dometic MSD Fitting f/Small Tank 970 Series [385320006]

    $28.19
    $28.99$28.19

  • Forespar Marelon Full-Flow Seacock 2" Mushroom Through-Hull [904048ABYC]
    Sale

    Forespar Marelon Full-Flow Seacock 2" Mushroom Through-Hull [904048ABYC]

    $163.95
    $248.95$163.95

  • Dometic MSD Fitting f/Large Tank 970 Series Toilets [385320007]
    Sale

    Dometic MSD Fitting f/Large Tank 970 Series Toilets [385320007]

    $24.64
    $28.99$24.64

  • Seaview Vault Pro - Drain Plug Garboard Assembly [SV101VP]
    Sale

    Seaview Vault Pro - Drain Plug Garboard Assembly [SV101VP]

    $17.60
    $22.00$17.60

  • Perko Spare Cap f/1313 Gas Fill [0126DP0BLK]
    Sale

    Perko Spare Cap f/1313 Gas Fill [0126DP0BLK]

    $11.95
    $16.94$11.95

  • Viega MegaPress 316 FKM 3/4" 90 Degree Elbow [91700]
    Sale

    Viega MegaPress 316 FKM 3/4" 90 Degree Elbow [91700]

    $93.95
    $142.07$93.95

  • Viega MegaPress 316 FKM Reducer - 1" x 3/4" [91275]
    Sale

    Viega MegaPress 316 FKM Reducer - 1" x 3/4" [91275]

    $120.95
    $183.72$120.95

  • Viega MegaPress 316 FKM FPT Adapter - 3/4" x 3/4" (FPT) [91245]
    Sale

    Viega MegaPress 316 FKM FPT Adapter - 3/4" x 3/4" (FPT) [91245]

    $84.95
    $128.05$84.95

  • Viega MegaPress 316 FKM Reducer - 3/4" x 1/2" [91270]
    Sale

    Viega MegaPress 316 FKM Reducer - 3/4" x 1/2" [91270]

    $98.95
    $150.06$98.95

  • Viega MegaPress 316 FKM 1" Union [91935]
    Sale

    Viega MegaPress 316 FKM 1" Union [91935]

    $319.95
    $485.84$319.95

  • Perko Fuel System Locking Cap f/ 1-1/2" Non-Vented Fills [1324DP0BLK]
    Sale

    Perko Fuel System Locking Cap f/ 1-1/2" Non-Vented Fills [1324DP0BLK]

    $32.95
    $52.22$32.95

  • Viega MegaPress 316 FKM Reducer - 1-1/2" x 1-1/4" [91920]
    Sale

    Viega MegaPress 316 FKM Reducer - 1-1/2" x 1-1/4" [91920]

    $135.95
    $250.40$135.95

  • Perko 0540 Spare Cap w/Chain [0540DPG99A]
    Sale

    Perko 0540 Spare Cap w/Chain [0540DPG99A]

    $45.95
    $72.55$45.95

  • GROCO 1/2" 4-Way Tank Selector Kit [TS-350-T]
    Sale

    GROCO 1/2" 4-Way Tank Selector Kit [TS-350-T]

    $170.95
    $267.00$170.95

  • Viega MegaPress 316 FKM 1-1/4" Slip Coupling w/o Stop [91305]
    Sale

    Viega MegaPress 316 FKM 1-1/4" Slip Coupling w/o Stop [91305]

    $82.95
    $125.13$82.95

  • GROCO 3/4" Bronze In-Line Check Valve [CV-75]
    Sale

    GROCO 3/4" Bronze In-Line Check Valve [CV-75]

    $25.95
    $37.00$25.95

  • GROCO Bronze Round Hull Strainer w/Access Door f/Up To 1" Thru-Hull [RSC-1000]
    Sale

    GROCO Bronze Round Hull Strainer w/Access Door f/Up To 1" Thru-Hull [RSC-1000]

    $54.95
    $79.00$54.95

  • GROCO 1-1/4" Bronze Electric Flanged Seacock - 12V [FBVE-1250 12V]
    Sale

    GROCO 1-1/4" Bronze Electric Flanged Seacock - 12V [FBVE-1250 12V]

    $1,558.95
    $2,711.00$1,558.95

  • Rule 1207R 1-1/8" Port - 90 Barb [1207R]
    Sale

    Rule 1207R 1-1/8" Port - 90 Barb [1207R]

    $12.95
    $14.99$12.95

  • Perko Cover Bolt Complete Sizes 4 5 [0493DP599L]
    Sale

    Perko Cover Bolt Complete Sizes 4 5 [0493DP599L]

    $24.95
    $39.41$24.95

  • T-H Marine Double Barb Inline Scupper Check Valve - 1-1/2" - Black [ILS-1500-DP]
    Sale

    T-H Marine Double Barb Inline Scupper Check Valve - 1-1/2" - Black [ILS-1500-DP]

    $26.04
    $28.51$26.04

  • Viega MegaPress 316 FKM 3/4" Coupling w/Stop [91105]
    Sale

    Viega MegaPress 316 FKM 3/4" Coupling w/Stop [91105]

    $51.95
    $71.74$51.95

  • T-H Marine Double Barb Inline Scupper Check Valve - 1-1/8" - Black [ILS-1200-DP]
    Sale

    T-H Marine Double Barb Inline Scupper Check Valve - 1-1/8" - Black [ILS-1200-DP]

    $24.65
    $28.51$24.65

  • GROCO Bronze Clam Shell Style Hull Strainer w/Mount Ring f/Up To 1-1/2" Thru Hull [SC-1500]
    Sale

    GROCO Bronze Clam Shell Style Hull Strainer w/Mount Ring f/Up To 1-1/2" Thru Hull [SC-1500]

    $79.95
    $125.00$79.95

  • GROCO 2" NPT Bronze In-Line Ball Valve [IBV-2000]
    Sale

    GROCO 2" NPT Bronze In-Line Ball Valve [IBV-2000]

    $155.95
    $244.00$155.95

  • Viega MegaPress 316 FKM 3/4" Union [91930]
    Sale

    Viega MegaPress 316 FKM 3/4" Union [91930]

    $260.95
    $397.14$260.95

  • Perko 0591 Vented Fill f/1-1/2" Hose - Straight Neck - Chrome [0591DPGCHR]
    Sale

    Perko 0591 Vented Fill f/1-1/2" Hose - Straight Neck - Chrome [0591DPGCHR]

    $75.95
    $131.53$75.95

  • Perko Water Inlet Fitting w/Plug [0499DP0CHR]
    Sale

    Perko Water Inlet Fitting w/Plug [0499DP0CHR]

    $92.95
    $171.25$92.95

  • T-H Marine Straight Barbed All-Purpose Drain - White [APD-2-DP]
    Sale

    T-H Marine Straight Barbed All-Purpose Drain - White [APD-2-DP]

    $6.91
    $7.78$6.91

  • Jabsco Port Kit 90-Degree Elbow 1/2" Hose Fitting - Pair [30651-1000]
    Sale

    Jabsco Port Kit 90-Degree Elbow 1/2" Hose Fitting - Pair [30651-1000]

    $8.95
    $10.99$8.95

  • GROCO 1/2" NPT x 3/4" ID Bronze Full Flow 90 Elbow Pipe to Hose Fitting [FFC-500]
    Sale

    GROCO 1/2" NPT x 3/4" ID Bronze Full Flow 90 Elbow Pipe to Hose Fitting [FFC-500]

    $12.95
    $18.00$12.95

  • GROCO 2" NPT Bronze 45 Degree Pipe to 2" Hose [PTHD-2000]
    Sale

    GROCO 2" NPT Bronze 45 Degree Pipe to 2" Hose [PTHD-2000]

    $44.95
    $64.00$44.95

  • GROCO Bronze Clam Shell Style Hull Strainer f/Up To 2-1/2" Thru Hull [SC-2500-L]
    Sale

    GROCO Bronze Clam Shell Style Hull Strainer f/Up To 2-1/2" Thru Hull [SC-2500-L]

    $71.95
    $112.00$71.95

  • GROCO 1-1/4" Hose Barb Stainless Straight Deck Drain [SCUS-1250]
    Sale

    GROCO 1-1/4" Hose Barb Stainless Straight Deck Drain [SCUS-1250]

    $93.95
    $147.00$93.95

  • GROCO 1-1/2" NPT x 1-1/2" ID Bronze Pipe to Hose Straight Fitting [PTH-1500]
    Sale

    GROCO 1-1/2" NPT x 1-1/2" ID Bronze Pipe to Hose Straight Fitting [PTH-1500]

    $21.95
    $31.00$21.95

  • GROCO 2" NPT x 2" ID Bronze Pipe to Hose Straight Fitting [PTH-2000]
    Sale

    GROCO 2" NPT x 2" ID Bronze Pipe to Hose Straight Fitting [PTH-2000]

    $28.95
    $41.00$28.95

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