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Water Filtration System Parts

Reliable System parts keep your water filtration setup running at its best. From small seals to advanced electrical components, each part plays a role in maintaining water flow, pressure control, and filtration accuracy. Over time, wear and tear can affect valves, housings, and fittings, which makes timely replacement important. Choosing compatible components helps extend system life and protect your investment.

About Our System Parts

Our collection includes water softener heads, riser tubes, distributor baskets, pressure gauges, and power adapters designed for filtration and treatment systems. You will also find O-rings for various housing models, reverse osmosis booster pumps, storage tanks, and pressure protection valves. Ultraviolet system ballasts and replacement lamps are available to support disinfection performance. For countertop and under-sink systems, faucet adapters, fittings, and stainless steel connectors offer secure installation. Every component is selected to meet standard sizing and performance needs across many filtration brands.

Each product listing highlights availability, reviews, and compatibility details to help you make confident decisions. With hundreds of parts in stock, finding the right replacement becomes straightforward. Whether you are upgrading a softener valve or replacing a worn gasket, quality components restore proper function.

Why Choose iFilters for System Parts?

iFilters offers a wide selection of system parts backed by consistent inventory and dependable shipping. Clear product descriptions and model references make it easier to match parts with your system. Competitive pricing supports both residential users and professional installers. Customer feedback and ratings add helpful insight before purchase.

Shop system parts online today!

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Hydronix MRH-BC-BOLT Bolt and Nut for MRH Band Clamp Series Housings - IFilters
Hydronix MRH-BC-BOLT Bolt and Nut for MRH Band Clamp Series Housings - IFilters
Hydronix

Hydronix MRH-BC-BOLT Bolt and Nut for MRH Band Clamp Series Housings

MRH-BC-BOLT
in stock
$45.00 - $45.00
$45.00
$45.00 - $45.00
$45.00

Hydronix MRH-BC-BOLT – Replacement Bolt & Nut for MRH Band Clamp Series Housings The Hydronix MRH-BC-BOLT is a replacement bolt and nut designe...

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$45.00 - $45.00
$45.00
$45.00 - $45.00
$45.00
iFilters 5ft 1/4" Polyethylene Tubing for Reverse Osmosis Systems- PT04-WH-5 (White) - IFilters
iFilters

iFilters 5ft 1/4" Polyethylene Tubing for Reverse Osmosis Systems- PT04-WH-5 (White)

PT04-WH-5
in stock
$7.99 - $7.99
$7.99
$7.99 - $7.99
$7.99

iFilters PT04-WH-5 – 5 ft. White 1/4" Polyethylene Tubing – Flexible, Durable & Chemical-Resistant 5ft NSF 1/4" POLYETHYLENE TUBE The iFilters ...

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$7.99 - $7.99
$7.99
$7.99 - $7.99
$7.99
PG25160B 0 - 160 PSI Water Pressure Gauge 2.5" Stainless Steel 1/4" Port, Back Flange - IFilters
Hydronix

PG25160B 0 - 160 PSI Water Pressure Gauge 2.5" Stainless Steel 1/4" Port, Back Flange

PG25160B
in stock

$19.50 - $19.50
$19.50
$19.50 - $19.50
$19.50

The PG25160B is UV resistant, high quality water pressure gauge designed with the OEM in mind. From the special synthetic fluid used to fill the ga...

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$19.50 - $19.50
$19.50
$19.50 - $19.50
$19.50
Hydronix Modern Ceramic Reverse Osmosis Filtered Water Faucet, Chrome - IFilters
Hydronix

Reverse Osmosis Air-Gap Faucet Quality Luxury Design, Ceramic Lead Free Parts, Chrome

LF-EC32-CPAG
in stock

$36.99 - $36.99
$36.99
$36.99 - $36.99
$36.99

Hydronix LF-EC32-CPAG ceramic Air-Gap faucet is a chrome plated faucet that can be used in reverse Osmosis and Drinking water systems. The LF-EC32-...

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$36.99 - $36.99
$36.99
$36.99 - $36.99
$36.99
Aquatrol - PMP-100GPD - 125PSI - Diaphragm Pump
Aquatrol

Aquatrol - PMP-100GPD - 125PSI - Diaphragm Pump - 100 GPD Reverse Osmosis Booster Pump, 24v

PMP-100GPD
in stock

$100.00 - $100.00
$100.00
$100.00 - $100.00
$100.00

Aquatrol - PMP-100GPD - 125PSI - Diaphragm Pump - 100 GPD Reverse Osmosis Booster Pump, 24v for 100 GPD Reverse Osmosis Water Filtration Systems. C...

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$100.00 - $100.00
$100.00
$100.00 - $100.00
$100.00
Hydronix HF45-20BLBK34PR Water Filter Housing 20" - 3/4" Ports w/ PR
Hydronix HF45-20BLBK34PR Water Filter Housing 20" - 3/4" Ports w/ PR
Hydronix

Hydronix HF45-20BLBK34PR Water Filter Housing 20" - 3/4" Ports w/ PR

HF45-20BLBK34PR
in stock
$52.49 - $52.49
$52.49
$52.49 - $52.49
$52.49

The Hydronix HF45-20BLBK34PR 20" Filter Housing is an extra-wide housing that accommodates large 4.5" wide filters for increased flow. This housing...

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$52.49 - $52.49
$52.49
$52.49 - $52.49
$52.49
Filter Housing 10" NSF For RO, Whole House, Hydroponics, Blue/Black 3/4" Ports
Hydronix

Filter Housing 10" NSF For RO, Whole House, Hydroponics, Blue/Black 3/4" Ports

HF5-10BLBK34
in stock
$22.68 - $22.68
$22.68
$22.68 - $22.68
$22.68

Hydronix HF5-10BLBK34 Filter Housings are made to house 2.5" x 10” cartridges. Most 2.5" x 10” cartridges fit easily. Ideal for typical application...

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$22.68 - $22.68
$22.68
$22.68 - $22.68
$22.68
Hydronix 10" Clear Housing w/ White Flat Cap RO & Filtration Systems 1/2" Ports
Hydronix

Hydronix 10" Clear Housing w/ White Flat Cap RO & Filtration Systems 1/2" Ports

HF2-10CLWH12
in stock
$18.75 - $18.75
$18.75
$18.75 - $18.75
$18.75

Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for ro systems, under sink filters...

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$18.75 - $18.75
$18.75
$18.75 - $18.75
$18.75
Hydronix 5" White Housing w/ White Flat Cap, RO & Filtration Systems, 1/4" Ports
Hydronix

Hydronix 5" White Housing w/ White Flat Cap, RO & Filtration Systems, 1/4" Ports

HF2-5WHWH14
in stock
$15.83 - $15.83
$15.83
$15.83 - $15.83
$15.83

Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for ro systems, under sink filters...

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$15.83 - $15.83
$15.83
$15.83 - $15.83
$15.83
Hydronix 10" White Housing w/ White Flat Cap, RO & Filtration Systems 1/2" Ports
Hydronix

Hydronix 10" White Housing w/ White Flat Cap, RO & Filtration Systems 1/2" Ports

HF2-10WHWH12
in stock
$17.74 - $17.74
$17.74
$17.74 - $17.74
$17.74

Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for RO systems, under sink filters...

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$17.74 - $17.74
$17.74
$17.74 - $17.74
$17.74
Hydronix 10" Clear Housing, White Rib Cap, RO & Filtration 3/4" Ports w/ Relief
Hydronix 10" Clear Housing, White Rib Cap, RO & Filtration 3/4" Ports w/ Relief
Hydronix

Hydronix 10" Clear Housing, White Rib Cap, RO & Filtration 3/4" Ports w/ Relief

HF3-10CLWH34PR
in stock
$24.50 - $24.50
$24.50
$24.50 - $24.50
$24.50

Hydronix HF3 Series Slim Rib Cap Filter Housings have pressure relief (PR) buttons and are ideal for typical applications such as pre- and post-fil...

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$24.50 - $24.50
$24.50
$24.50 - $24.50
$24.50
Hydronix 10" Clear Housing w/ White Flat Cap, RO & Filtration Systems 1/4" Ports
Hydronix 10" Clear Housing w/ White Flat Cap, RO & Filtration Systems 1/4" Ports
Hydronix

Hydronix 10" Clear Housing w/ White Flat Cap, RO & Filtration Systems 1/4" Ports

HF2-10CLWH14
in stock
$18.24 - $18.24
$18.24
$18.24 - $18.24
$18.24

Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for RO systems, under sink filters...

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$18.24 - $18.24
$18.24
$18.24 - $18.24
$18.24
Hydronix 10" Clear Housing w/ Black Rib Cap, RO & Filtration Systems 3/4" Ports
Hydronix

Hydronix 10" Clear Housing w/ Black Rib Cap, RO & Filtration Systems 3/4" Ports

HF3-10CLBK34
in stock
$27.99 - $27.99
$27.99
$27.99 - $27.99
$27.99

Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

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$27.99 - $27.99
$27.99
$27.99 - $27.99
$27.99
Hydronix 10" Blue Housing w/ Black Rib Cap, RO & Filtration Systems, 1/2" Ports
Hydronix

Hydronix 10" Blue Housing w/ Black Rib Cap, RO & Filtration Systems, 1/2" Ports

HF3-10BLBK12
in stock
$17.74 - $17.74
$17.74
$17.74 - $17.74
$17.74

Hydronix HF3 series Slim Rib cap Filter housings are ideal for Typical applications such as pre- and post-filtration for ro systems, under sink fil...

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$17.74 - $17.74
$17.74
$17.74 - $17.74
$17.74
3/4 Inch NPT Male Plastic Nipple Hex Connector With O-rings
Hydronix

3/4 Inch NPT Male Plastic Nipple Hex Connector With O-rings

NP-34
in stock
$6.99 - $6.99
$6.99
$6.99 - $6.99
$6.99

3/4" NPT Nipple Male Plastic Connector is made from Polypropylene. The Center has a Hex shape to allow tool installation.

$6.99 - $6.99
$6.99
$6.99 - $6.99
$6.99
HS-ORING-E-EP – HydroScientific Stainless Steel Housing O-Ring, EPDM Material, Compatible with BF1/BF2/HSBJ40-90-170/MRH-5(10-40)/MRH-7(10-40) - IFilters
HydroScientific

HS-ORING-E-EP – HydroScientific Stainless Steel Housing O-Ring, EPDM Material, Compatible with BF1/BF2/HSBJ40-90-170/MRH-5(10-40)/MRH-7(10-40)

HS-ORING-E-EP
in stock
$30.42 - $30.42
$30.42
$30.42 - $30.42
$30.42

The HS-ORING-E-EP is a high-performance EPDM O-ring designed for HydroScientific stainless steel housing applications. Engineered for durability an...

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$30.42 - $30.42
$30.42
$30.42 - $30.42
$30.42
Aquatrol AT-1465BK-25T 14 x 65 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black - IFilters
Aquatrol AT-1465BK-25T 14 x 65 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black - IFilters
Aquatrol

Aquatrol AT-1465BK-25T 14 x 65 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black

AT-1465BK-25T
in stock
$0.00 - $0.00
$0.00
$290.75
$290.75 - $290.75
$290.75

Aquatrol AT-1465BK-25T 14 x 65 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black

$0.00 - $0.00
$0.00
$290.75
$290.75 - $290.75
$290.75
Aquatrol AT-1354BL-25T 13 x 54 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue - IFilters
Aquatrol AT-1354BL-25T 13 x 54 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue - IFilters
Aquatrol

Aquatrol AT-1354BL-25T 13 x 54 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue

AT-1354BL-25T
in stock
$183.57 - $183.57
$183.57
$183.57 - $183.57
$183.57

Aquatrol AT-1354BL-25T 13 x 54 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue

$183.57 - $183.57
$183.57
$183.57 - $183.57
$183.57
Aquatrol AT-1044BL-25T 10 x 44 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue - IFilters
Aquatrol AT-1044BL-25T 10 x 44 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue - IFilters
Aquatrol

Aquatrol AT-1044BL-25T 10 x 44 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue

AT-1044BL-25T
in stock
$86.92 - $86.92
$86.92
$86.92 - $86.92
$86.92

Aquatrol AT-1044BL-25T 10 x 44 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue

$86.92 - $86.92
$86.92
$86.92 - $86.92
$86.92
Aquatrol AT-0717BK-25T 7 x 17 Inches PG Pressure Tank - 2.5” T Connection, Standard Base, Black - IFilters
Aquatrol AT-0717BK-25T 7 x 17 Inches PG Pressure Tank - 2.5” T Connection, Standard Base, Black - IFilters
Sale Sale
Aquatrol

Aquatrol AT-0717BK-25T 7 x 17 Inches PG Pressure Tank - 2.5” T Connection, Standard Base, Black

AT-0717BK-25T
in stock
$155.00
$155.00 - $155.00
$155.00
$71.68
$71.68 - $71.68
$71.68

Aquatrol AT-0717BK-25T 7 x 17 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black Aquatrol™ Pressure Tanks offer a reliable and cost-effect...

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$155.00
$155.00 - $155.00
$155.00
$71.68
$71.68 - $71.68
$71.68
Sale Sale
Aquatrol AT-1252BK-25T 1252 Pg Pressure Tank - 2.5" T Connection, Standard Base, Black - IFilters
Aquatrol AT-1252BK-25T 1252 Pg Pressure Tank - 2.5" T Connection, Standard Base, Black - IFilters
Aquatrol

Aquatrol AT-1252BK-25T 1252 Pg Pressure Tank - 2.5" T Connection, Standard Base, Black

AT-1252BK-25T
in stock
$143.56 - $143.56
$143.56
$143.56 - $143.56
$143.56

Aquatrol AT-1252BK-25T 1252 Pg, 2.5" T, Standard Base, Black Part Number: AT-1252BK-25TDimensions: 12 x 52 inches (304 x 1320 mm)Connection: 2.5" T...

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$143.56 - $143.56
$143.56
$143.56 - $143.56
$143.56
Hydronix LF-EC18-BN/1 Elegant Modern Ceramic RO Filtered Water Faucet, Brushed Nickel - IFilters
Hydronix

Hydronix LF-EC18-BN/1 Elegant Modern Ceramic RO Filtered Water Faucet, Brushed Nickel

LF-EC18-BN
in stock
$40.00 - $40.00
$40.00
$40.00 - $40.00
$40.00

Hydronix LF-EC18-BN - Elegant Modern Ceramic RO Filtered Water Faucet (Brushed Nickel) Premium Brushed Nickel Faucet for Reverse Osmosis & Drin...

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$40.00 - $40.00
$40.00
$40.00 - $40.00
$40.00
HDF-FE0608 - IFilters
Hydrofit

HDF-FE0608

HDF-FE0608
in stock
$1.99 - $1.99
$1.99
$1.99 - $1.99
$1.99

The Hydrofit 3/8" Tube x 1/2" NPTF Fixed Elbows are designed for ease of use. Hydrofit Quick Connect Fittings are designed to provide all the typic...

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$1.99 - $1.99
$1.99
$1.99 - $1.99
$1.99
Hydro Guard HDG-005 Replacement O-ring for Hydro Guard Drop In Style HDG45 RO Housing - IFilters
Hydro Guard

Hydro Guard HDG-005 Replacement O-ring for Hydro Guard Drop In Style HDG45 RO Housing

HDG-005
in stock
$2.99 - $2.99
$2.99
$2.99 - $2.99
$2.99

Hydro Guard HDG-005 Replacement O-Ring – Perfect Fit for HDG-45 Drop-In Style RO Housing Ensure a leak-free seal and maintain the efficiency of you...

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$2.99 - $2.99
$2.99
$2.99 - $2.99
$2.99
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