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Ridgid OF45175 Air Compressor

Ridgid OF45175 Air Compressor Parts

Page A
Page B
Page A
 Fig #
1
Pump And Motor
 
No Longer Available [ More Info ]

Part Number: WL373001SJ

Discontinued

Not Available

1
Pump/Motor Assembly
 
No Longer Available [ More Info ]

Part Number: 25673

Discontinued

Not Available

2
Filter
 $30.96

Part Number: 20448

In Stock, 1 Available

Ships within 1 business day
 $30.96
3
Rubber Bushing-Front
 
No Longer Available [ More Info ]

Part Number: 17723

Discontinued

Not Available

4
Mounting Brkt. Variable Speed Pulley
 
No Longer Available [ More Info ]

Part Number: 17713

Discontinued

Not Available
Note: Nla

5
Manifold
 $134.14

Part Number: 30538R

Ships In 10 - 16 Business Days

Ships in 10 - 16 business days
 $134.14
6
Safety Valve-200Psi
 $23.75

Part Number: 30543

In Stock, 4 Available

Ships within 1 business day
 $23.75
7
Coupler
 $11.51

Part Number: 17873

In Stock, 5 Available

Ships within 1 business day
 $11.51
8
Pressure Switch
 $40.52

Part Number: 30548R

Backorder: No ETA.

Backorder: No ETA.
Note: 145 psi/175 psi
 $40.52
9
Tank Pressure Guage
 $16.85

Part Number: 30553

In Stock, 6 Available

Ships within 1 business day
 $16.85
10
Outlet Pressure Guage
 
No Longer Available [ More Info ]

Part Number: 30558R

Discontinued

Not Available

11
Belt Guard Brkt. Ass'Y.
 
No Longer Available [ More Info ]

Part Number: 17893A-0637

Discontinued

Not Available
Note: New Part

12
Rubber Foot
 $10.95

Part Number: 17853

In Stock, 22 Available

Ships within 1 business day
 $10.95
13
Screw
 $2.99

Part Number: 18038

In Stock, 2 Available

Ships within 1 business day
 $2.99
14
Screw,Torx
 $2.99

Part Number: 17783

In Stock, 11 Available

Ships within 1 business day
 $2.99
15
Bracket
 
No Longer Available [ More Info ]

Part Number: 30563

Discontinued

Not Available

16
Grip
 $11.48

Part Number: 30568R

Ships In 10 - 16 Business Days

Ships in 10 - 16 business days
 $11.48
17
Discharge Tube
 $22.95

Part Number: 30573

In Stock, 7 Available

Ships within 1 business day
 $22.95
18
Drain Valve (2)
 $24.07

Part Number: 20358

In Stock, 3 Available

Ships within 1 business day
 $24.07
19
Index Brkt.
 
No Longer Available [ More Info ]

Part Number: 17728

Discontinued

Not Available
Note: Nla

20
Twin Tank Assembly
 
No Longer Available [ More Info ]

Part Number: 30578

Discontinued

Not Available

21
Unloader Tube
 $8.09

Part Number: 30583

In Stock, 2 Available

Ships within 1 business day
 $8.09
22
Shroud
 
No Longer Available [ More Info ]

Part Number: 30588

Discontinued

Not Available

23
Elbow compression fitting
 
No Longer Available [ More Info ]

Part Number: 25003

Discontinued

Not Available

24
Regulator
 $46.57

Part Number: WL036200AV

In Stock, 2 Available

Ships within 1 business day
 $46.57
26
Drain Valve Bracket
 
No Longer Available [ More Info ]

Part Number: 30593

Discontinued

Not Available

30
Front Cover
 
No Longer Available [ More Info ]

Part Number: 30598

Discontinued

Not Available

31
Plug
 $2.99

Part Number: 17888

Ships In 10 - 16 Business Days

Ships in 10 - 16 business days
 $2.99
32
Drain Tube
 $11.00

Part Number: 30603

In Stock, 3 Available

Ships within 1 business day
 $11.00
Page B
 Fig #
1
Head
 $25.67

Part Number: 17948

In Stock, 1 Available

Ships within 1 business day
 $25.67
3
Valve Plate Kit
 $66.53

Part Number: 17983

In Stock, 10 Available

Ships within 1 business day
 $66.53
5
Muffler Mounting Brkt.
 
No Longer Available [ More Info ]

Part Number: 17958

Discontinued

Not Available

10
Fan Kit-Impeller
 $15.01

Part Number: WL209802SJ

In Stock, 6 Available

Ships within 1 business day
 $15.01
11
Piston and Cylinder Assembly
 
No Longer Available [ More Info ]

Part Number: 17968

Discontinued

Not Available

13
Head Gasket
 $8.20

Part Number: 17973

In Stock, 6 Available

Ships within 1 business day
 $8.20
14
Discharge Valve Gasket
 $3.99

Part Number: 17978

In Stock, 1 Available

Ships within 1 business day
 $3.99
800
Bearing Shield
 $6.32

Part Number: 17983

In Stock, 2 Available

Ships within 1 business day
Note: Not Shown
 $6.32
801
Fan Kit
 $18.96

Part Number: 17988

In Stock, 9 Available

Ships within 1 business day
 $18.96
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Accessories
Accessories for the Ridgid OF45175

Questions & Answers

How can I get new piston the gasket in mine is broken
Justin Gagne for model number OF45175
Hi Justin, sadly the requested part is discontinued, however you can contact the manufacturer to see if they have a suggested replacement. If they can provide you with a part number feel free to contact us back to see if we have the part in stock. Thank you for your question and good luck with your repair!
Will the 30573 Discharge Tube for the OF45175 fit a Model OF45150A compressor? If not, can you provide another item that will work?
Steve Webb
Hello Steve, thank you for writing. It is not shown as compatible. Sadly the replacement for your model is discontinued. You will need to reach out to Ridgid directly for a substitution part number. Please feel free to get back in touch with us if they provide you with one. Thank you!
Discussion
Discussion for the Ridgid OF45175 Air Compressor

Discussion is closed. To ask our experts a question about a part, use the Q&A feature on our product pages.
Question: Automatic Power

dominguezerik

Why won't it shut off by itself ? How can you fix that ?
WJA
Hello dominguezerik,

One common reason these types of compressor will not shut off is because of blow by. This is when the piston and the cylinder are worn to the point to where the air that is supposed to be being compressed, is leaking past the piston and the cylinder. You would have to inspect them both to see if there is any wear. If there is you would need the 17968 Piston /Cylinder Assembly (Main Bearing Not Included. Use a 6203.. It also wouldn't hurt to install the 17983 Valve Plate Kit.

-WJA
Question: Ridged Fan Kit Removal

1223737

which way do you remove the fan screw? clock or counter clockwise?
WJA
Hello 1223737,

The screw on the 17988 Fan Kit, is a left hand screw, so to remove it turn it clockwise.

-WJA
Question: Ridgid Air Compressor

1183819

Ridgid air compressor, the small 2.5 gal model - motor runs but not pump. Suggestions?
Hi,
Well most likely the teflon piston ring has broken.Remove the cylinder head and look at the piston and cylinder.If they look good I'd look at the reed valve assembly.Hope that helps.Good luck.
Tinker
Question: Need A Part

1077529

I broke off the fitting that goes in the bottom of the tank that hooks to the drain hose. It is part # 28 in the picture but is not listed in the part list how can i get on ? or 2 the way i'm going lol
WJA
I don't know what the original part number is. But the description is a Street Elbow 1/4 inch NPT.

Hope this helps,
-WJA
Question: Compressor Can't Reach 100psi

1055134



My compressor can't hit 100psi anymore.
It seems to slowly be getting worse.
There are no leaks, and most of the guages are bypassed including the output regulator.

Any ideas on what it could be?
Hi Markavelli,You will need to replace Piston /Cylinder Assembly Part Number: 17968.If you take the pump apart you'll see that the piston fits loose in the cylinder and/or the piston ring has peeled away fron the piston.This is what causes about 95% of the problems.Hope that helps.good luck.
Tinker
Question: Connecting Rod Bearing

Leester

my connecting rod bearing failed. where can i find a replacement. #OF45175
WJA
Hello Leester,

If you take the motor to an electric motor repair shop. They should be able to pull the bearing from the shaft and replace it with a new one. The manufacture does not supply this bearing.

-WJA
WJA
Question: Fan Kit

smail88

Hello smail88,

I checked with the manufacture and the fan kit, part number 17988 is available and in stock the factory. Thank you for bringing that to our attention.

-WJA
WJA
Question: Rigid Model OF45150A

cxcook

Hello cxcook,

The Piston/Cylinder Assembly part number 17968 does not come with the gaskets when you order this item. They would have to ordered separately. The part numbers for the gaskets are, 17958 Cylinder Gasket, 17973 Head Gasket, and 17978 Discharge Gasket.

Hope this helps,
-WJA
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