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Premium Marine Quality Parts

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Thermostat Ym# 66M-12411-01-00 - 18-3541 - 47-3541F1

Sierra, Cooling & Water Pump
$66.69
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Thermstat W/Hous Mc#892864T04 - 18-3631 - 47-3631F1

Sierra, Miscellaneous
$235.19
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Thetford 01664 Cap - 1664 - 363-01664F1

Thetford, Toilets & Toilet Parts
$37.69

Cap

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Thetford 01665 Hose Adapter - 1665 - 363-01665F1

Thetford, Toilets & Toilet Parts
$42.89

Hose Adapter

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Thetford 02283 Garden Hose Adapter - 2283 - 363-02283F1

Thetford, Toilets & Toilet Parts
$45.99

Garden Hose Adapter

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Thetford 02593 Bumper Hose Adapter - 2593 - 363-02593F1

Thetford, Toilets & Toilet Parts
$35.79

Bumper Hose Adapter

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Thetford 03300 Aqua Soft 2-Ply Toilet Tissue-Toilet Paper - 3300 - 363-03300F1

Thetford, Toilets & Toilet Parts
$13.89

For use in all marine and RV permanent, recirculating and portable toilets. Specially formulated, rapid-dissolving tissue. Helps prevent messy clogs. Flushes easily from bowl. Soft, snowy white tissue. Biodegradablesheets. Made from 100% recycled paper.

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Thetford 08708 3-H Basic Valve - 8708 - 363-08708F1

Thetford, Toilets & Toilet Parts
$113.19

3-H Basic Valve

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Thetford 08975 Closet Flange Seal W/Bolts - 8975 - 363-08975F1

Thetford, Toilets & Toilet Parts
$35.29

Closet Flange Seal w/Bolts

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Thetford 09872 Plastic Slide Ez-Valve Repair Kit - 9872 - 363-09872F1

Thetford, Toilets & Toilet Parts
$36.79

Plastic Slide EZ-Valve Repair Kit

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Thetford 12524 Closet Bolt Pkg - 12524 - 363-12524F1

Thetford, Toilets & Toilet Parts
$22.29

Closet Bolt Pkg

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Thetford 13168 Ball Valve Kit For Aqua Magic Iv - 13168 - 363-13168F1

Thetford, Toilets & Toilet Parts
$67.59

Ball Valve Kit for Aqua Magic IV

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Thetford 17832 Titan™ Pemium Rv Wye Adapter - 17832 - 363-17832F1

Thetford, Toilets & Toilet Parts
$31.49

Empty two waste tanks into a single dump port Translucent - see when the tanks are cleanFits any sewer hose with universal bayonetEPDM seals designed for prolonged hook-up connections

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Thetford 17854 Titan™ Pemium Rv 10' Sewer Extension Hose - 17854 - 363-17854F1

Thetford, Sewer & Drain
$54.29

Thetford Titan's Proprietary TPE (Thermal Plastic Elastomer) properties provide the highest degree of puncture and abrasion resistance, and excel in extreme temperatures. Titan stands for the toughest, longest-lasting, best-value sewer hose on the market. Rugged TPE hose prevents leaks. Use alone or extend a 15' hose to 25'. ExtendGrip™ fitting.

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Thetford 17879 Titan™ Pemium Rv Revolve™ Sewer Adapter W/Handle - 17879 - 363-17879F1

Thetford, Sewer & Drain
$26.99

Connect any sewer hose with universal bayonetRotates 360° for easy alignmentFits 5 common sewer port connectionExclusive handle for a sanitary experience

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Thetford 17880 Titan™ Pemium Rv Sewer Hose End Caps, 2/Pk - 17880 - 363-17880F1

Thetford, Sewer & Drain
$12.99

Eliminates messy dripping during storagePress-fit on any sewer hose with same diameter as TitanIntegrated handles for easy maneuveringSet of 2 press-fit caps.

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Thetford 17881 Titan™ Pemium Rv Seals For Sewer Hose Fitting Or Adapter, 2/Pk - 17881 - 363-17881F1

Thetford, Sewer & Drain
$15.29

Resilient rubber seals, made in the USAReplacements for faulty sealsDesigned for sewer hose fittings and adaptersSet of 2 replacement seals.

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Thetford 17902 Titan 20' Pemium Rv Sewer Kit System - 17902 - 363-17902F1

Thetford, Sewer & Drain
$107.99

Thetford Titan™ is exactly what you need to make emptying holding tanks more pleasant and it's premium quality features are what RVers have come to expect. Proprietary TPE properties provide the highest degree of puncture and abrasion resistance, and help Titan excel in extreme temperatures. Titan is the toughest, longest-lasting, best-value sewer hose on the market. Includes: 2 rugged 10' TPE hose; 1 Revolve™ 5-in-1 sewer adapter w/exclusive handle; 4 secure, versatile end caps

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Thetford 17907 Titan™ Pemium Rv Straight Sewer Adapter - 17907 - 363-17907F1

Thetford, Sewer & Drain
$23.19

Lengthen RV sewer outlet for easier reach Translucent - see when the tanks are cleanFits any sewer hose with universal bayonetEPDM seals designed for prolonged hook-up connections

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Thetford 19289 Handspray Water Saver Kit, Chorme - 19289 - 363-19289F1

Thetford, Toilets & Toilet Parts
$75.19

Designed for most Thetford permanent RV toilets including: Aqua-Magic style Plus. Aqua-Magic Style II, Aqua-Magic Style LITE, Aqua-Magic Style V, Aqua-Magic Aurora and Aria Classic, Bravura, Galaxy and Starlite models. Designed for rinsing the toilet bowl, Saves water by reducing number of flushesEasily attach to toilet water line

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Thetford 20804 Marine Soft Rapid Dissolve Toilet Tissue-Toilet Paper - 2073F - 363-20804F1

Thetford, Toilets & Toilet Parts
$12.39

Economical single ply tissue. For use in all marine and RV portable, permanent and recirculating sanitation systems. 100% biodegradable.

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Thetford 24033 2-Ply Rapid-Dissolve Aqua-Soft Toilet Tissue-Toilet Paper, 48 Rolls/Case - 24033 - 363-24033F1

Thetford, Toilets & Toilet Parts
$4.39

Recommended for portable and permanent toilet systems. Soft, snowy-white 2-ply tissue flushes easily. Specifically formulated, dissolves rapidly and helps prevent messy clogs. Highly absorbent & 100% biodegradable. 396-sheets per roll.

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Thetford 24818 Toilet Riser, Parchment - 24818 - 363-24818F1

Thetford, Toilets & Toilet Parts
$77.09

Raises the level of comfort and convenience for many RV'ers, especially those with physical challenges. Raises permanent toilets 2 1/2". Fits Aqua-Magic IV & V, Bravura, Style Plus & II, Residence, SeaLand 510 and SeaLand 910. 2.5" tall X 15.5" square.Additional plumbing hook-up materials may be needed. Please consult with your dealer or service representative to determine your specific needs.

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Thetford 24967 Toilet Riser, White - 24967 - 363-24967F1

Thetford, Toilets & Toilet Parts
$77.09

Raises the level of comfort and convenience for many RV'ers, especially those with physical challenges. Raises permanent toilets 2 1/2". Fits Aqua-Magic IV & V, Bravura, Style Plus & II, Residence, SeaLand 510 and SeaLand 910. 2.5" tall X 15.5" square.Additional plumbing hook-up materials may be needed. Please consult with your dealer or service representative to determine your specific needs.

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Thetford 28962 Water Line Extension Hose - 28962 - 363-28962F1

Thetford, Toilets & Toilet Parts
$52.99

Water Line Extension Hose

Northern Marine Canada
Our products are shipped from Canada!
Parts Warehouse:
Toronto, Ontario, Canada
Head Office:
Kingston, Ontario

About Us

Northern Marine is a Canadian supplier of premium marine and RV parts and accessories from top industry brands. We focus on quality, accurate listings, and dependable fulfillment so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: get you the right parts, shipped fast, with straightforward service you can count on.