U.S. Customers: Orders shipped from Canada may be subject to U.S. import duties, taxes, and/or tariffs as assessed by U.S. Customs and your carrier. These charges are not included in our product prices or shipping rates. You are responsible for any duties/tariffs/fees due on delivery or prior to delivery.
Packed and shipped within Canada!

Premium Marine Quality Parts

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Thetford 94160 Bumper Plug, 4" W/Tabs, Black - 94160 - 363-94160 Superseded By: 865-94160F1

Thetford, Toilets & Toilet Parts
$10.99

Direct OEM ReplacementMade in USAFade-resistant, UV stable/colorfast

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Thetford 94164 Entry Door Assist Handle, Polar White - 94164 - 363-94164 Superseded By: 865-94164F1

Thetford, Toilets & Toilet Parts
$8.99

Original Factory Parts/Direct OEM ReplacementUV stable/colorfastMolded screw covers for clean lookMounting holes are 8-7/8" on centerMade in USA

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Thetford 94165 Entry Door Assist Handle, Black - 94165 - 363-94165 Superseded By: 865-94165F1

Thetford, Toilets & Toilet Parts
$8.99

Original Factory Parts/Direct OEM ReplacementUV stable/colorfastMolded screw covers for clean lookMounting holes are 8-7/8" on centerMade in USA

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Thetford 94168 Rain Gutter Spout, Short, Polar White - 94168 - 363-94168 Superseded By: 865-94168F1

Thetford, Toilets & Toilet Parts
$9.99

Direct OEM ReplacementRedirects water away from your unitHelps eliminate black streaksImpact and road salt resistantUV stable and colorfastMade in the USA Short Fits 1-1/16" rails Medium Fits 1-3/8" rails Long Fits 1-1/16" rails

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Thetford 94170 Rain Gutter Spout, Medium, Polar White - 94170 - 363-94170 Superseded By: 865-94170F1

Thetford, Toilets & Toilet Parts
$10.29

Direct OEM ReplacementRedirects water away from your unitHelps eliminate black streaksImpact and road salt resistantUV stable and colorfastMade in the USA Short Fits 1-1/16" rails Medium Fits 1-3/8" rails Long Fits 1-1/16" rails

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Thetford 94174 Rain Gutter Spout, Long, Black - 94174 - 363-94174 Superseded By: 865-94174F1

Thetford, Toilets & Toilet Parts
$10.99

Direct OEM ReplacementRedirects water away from your unitHelps eliminate black streaksImpact and road salt resistantUV stable and colorfastMade in the USA Short Fits 1-1/16" rails Medium Fits 1-3/8" rails Long Fits 1-1/16" rails

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Thetford 94175 Tub Strainer - 94175 - 363-94175F1

Thetford, Toilets & Toilet Parts
$18.79

Direct OEM ReplacementStopper has female threadsFits up to a 2" drain openingMade in USA

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Thetford 94188 Exterior Shower Door, Polar White - 94188 - 363-94188 Superseded By: 865-94188F1

Thetford, Toilets & Toilet Parts
$42.99

Exterior Shower Door. Direct OEM Replacement.

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Thetford 94198 Exterior Shower Head, Black - 94198 - 363-94198 Superseded By: 865-94198F1

Thetford, Toilets & Toilet Parts
$26.29

Exterior Shower Head. Direct OEM Replacement.

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Thetford 94202 Exterior Shower Head Bracket, Black - 94202 - 363-94202 Superseded By: 865-94202F1

Thetford, Toilets & Toilet Parts
$5.99

Exterior Shower Head Bracket. Direct OEM Replacement.

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Thetford 94204 Exterior Shower Mixer, Black - 94204 - 363-94204 Superseded By: 865-94204F1

Thetford, Toilets & Toilet Parts
$33.29

Exterior Shower Mixer. Direct OEM Replacement.

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Thetford 94206 Dust Plug For City Water Check Valve, Polar White - 94206 - 363-94206 Superseded By: 865-94206F1

Thetford, Toilets & Toilet Parts
$3.29

Direct OEM ReplacementUV stable/colorfastUniversalFlexible RubberMade in USA

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Thetford 94210 Plastic Check Valve, Polar White - 94210 - 363-94210 Superseded By: 865-94210F1

Thetford, Toilets & Toilet Parts
$21.99

Direct OEM ReplacementFade resistant, UV stable/colorfastFactory tested for ZERO leakage1/2" Male Pipe ThreadIAPMO, NSF, CSA & TEI CertifiedMade in USA

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Thetford 94218 City Water Dish W/Brass Check Valve, Polar White - 94218 - 363-94218 Superseded By: 865-94218F1

Thetford, Toilets & Toilet Parts
$33.99

Direct OEM ReplacementUV stable/colorfastFactory tested for ZERO leakageCheck Valve w/1/2" Male Pipe ThreadIncludes installation kitImpact & Road Salt ResistantMade in USACut Out: 3-1/2" dia., Outside Dia: 4-3/4" dia., Dish Depth: 3/4"IAPMO, NSF, CSA & TEI Certified

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Thetford 94220 City Water Dish W/Plastic Check Valve, Polar White - 94220 - 363-94220 Superseded By: 865-94220F1

Thetford, Toilets & Toilet Parts
$24.99

Direct OEM ReplacementUV stable/colorfastFactory tested for ZERO leakageCheck Valve w/1/2" Male Pipe ThreadIncludes installation kitImpact & Road Salt ResistantMade in USACut Out: 3-1/2" dia., Outside Dia: 4-3/4" dia., Dish Depth: 3/4"IAPMO, NSF, CSA & TEI Certified

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Thetford 94236 Replacement Fresh Water Fill Diverter Handle, Blue - 94236 - 363-94236 Superseded By: 865-94236F1

Thetford, Toilets & Toilet Parts
$6.99

Direct OEM ReplacementMade in USAReplacement operating handle for diverter valve

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Thetford 94237 Replacement Hot Water Tank Diverter Handle, Red - 94237 - 363-94237 Superseded By: 865-94237F1

Thetford, Tanks & Tank Parts
$6.99

Direct OEM ReplacementMade in USAReplacement operating handle for diverter valve

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Thetford 94244 Gravity Water Fill Cap/Strap, Black - 94244 - 363-94244 Superseded By: 865-94244F1

Thetford, Toilets & Toilet Parts
$9.99

Direct OEM ReplacementUV stable/colorfastIncludes both strap versionsImpact & Road Salt ResistantIAPMO, NSF, CSA & TEI CertifiedPaintableMade in USA

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Thetford 94252 Gravity Water Hatch, Black - 94252 - 363-94252 Superseded By: 865-94252F1

Thetford, Toilets & Toilet Parts
$42.99

Original Factory Parts/Direct OEM ReplacementMade in USAUV stable/colorfastReplaceable DoorSpout accepts either 1-1/4" or 1-3/8" water fill hoseIncludes 3/8" tank vent connectionIncludes installation kitLock is "key alike ready" to match entry door or other compartment locksImpact & Road Salt ResistantCutout Dim: 4-3/4"h x 4-1/4"w, Outside Dim: 6-1/2"h x 6"w, Collar Depth: 1-1/2", Total Depth: 3"IAPMO, NSF, CSA & TEI CertifiedPaintable

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Thetford 94258 Floor Register W/O Damper, Tan - 94258 - 363-94258 Superseded By: 865-94258F1

Thetford, Toilets & Toilet Parts
$12.99

Direct OEM ReplacementHolds up to 200 lbs. per sq. in.Meets or exceeds H.U.D. and R.V.I.A. specificationsExtra strong fire rated Polycarbonate plasticMade in USACutout: 9-7/8" x 2-1/4"Outside Dim: 11-7/8" x 4-1/4"

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Thetford 94259 Floor Register W/Damper, Polar White - 94259 - 363-94259 Superseded By: 865-94259F1

Thetford, Toilets & Toilet Parts
$19.99

Direct OEM ReplacementHolds up to 200 lbs. per sq. in.Meets or exceeds H.U.D. and R.V.I.A. specificationsExtra strong fire rated Polycarbonate plasticMade in USACutout: 9-7/8" x 2-1/4"Outside Dim: 11-7/8" x 4-1/4"

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Thetford 94260 Floor Register W/Damper, Tan - 94260 - 363-94260 Superseded By: 865-94260F1

Thetford, Toilets & Toilet Parts
$19.99

Direct OEM ReplacementHolds up to 200 lbs. per sq. in.Meets or exceeds H.U.D. and R.V.I.A. specificationsExtra strong fire rated Polycarbonate plasticMade in USACutout: 9-7/8" x 2-1/4"Outside Dim: 11-7/8" x 4-1/4"

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Thetford 94264 Thermovent Ducted Heat Vent W/O Damper, Polar White - 94264 - 363-94264 Superseded By: 865-94264F1

Thetford, Toilets & Toilet Parts
$10.99

Direct OEM ReplacementHides screws for clean appearanceSmooth contemporary designRotates 360° for optimum airflowIncludes installation kitFits 4" flex ductsMade in USA

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Thetford 94278 Endura Range Vent , Polar White - 94278 - 363-94278 Superseded By: 865-94278F1

Thetford, Toilets & Toilet Parts
$46.29

Direct OEM ReplacementNon-yellowing, UV stable/colorfastWind tested to 190 mphSmooth, aerodynamic, contemporary designPush-lock, one-piece damper closure with large, sturdy hingesEasy to installIncludes installation kitMade in USACutout: 10-3/4" x 4"Outside Dim: 12-9/16" x 5-7/8"Paintable

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Thetford 94292 Flush Slip Fitting, 1.5" - 94292 - 363-94292 Superseded By: 865-94292F1

Thetford, Sewer & Drain
$7.49

Direct OEM ReplacementConstructed of ABS plasticImpact & Road Salt ResistantMade in USA

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.