The gaskets are not available separately for the pump. See the product manual on our web for a parts list. All parts would be ordered through Jacks Small Engines at www.jackssmallengines.com.
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- Limited-time offer. Subject to change without notice.
CAT Pressure Washer Pump Assembly, 4200 PSI, 3.5 GPM, Direct Drive, Gas

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Shipping:
Free shipping (lower 48 states) - Available now
$19.99 Same DayStore Pickup:
1 in stock at Fredericksburg VA - Pickup in under 1 hr
- Pre-plumbed and pre-tested
- Easy Start for easier recoil starting
- 3/8in. M-QC output connection Thermal relief valve offers protection
- Adjustable pressure to suit multiple applications
- Fixed chemical injection
See full description
Description
Key Specs
Reviews
Q & A
Accessories
Warranty
Compare
Product Summary
What's Included
- (1) Pressure washer pump assembly
Downloads
Features + Benefits
- Pre-plumbed and pre-tested
- Easy Start for easier recoil starting
- 3/8in. M-QC output connection Thermal relief valve offers protection
- Adjustable pressure to suit multiple applications
- Fixed chemical injection
- Forged brass manifold and ceramic plungers for durability
- Fits 5in. engine bolt circle
Key Specs
| Attribute | Specification |
|---|---|
item# | A157127 |
Brand | CAT Pumps |
Manufacturer's Warranty | 12 months parts/12months labor |
Ship Weight | 30.4 LB |
Max. PSI | 4,200 |
| Attribute | Specification |
|---|---|
GPM | 3.5 |
Product Type | Pump |
Shaft Diameter | 1 in |
Fuel Type | Natural Gas |
Product Weight | 30 lb |
Reviews
Questions & Answers
Questions
-
Anonymous· 2 years ago
Can you just buy gaskets for the pump
1 answer-
ProductExpert6· 2 years ago
Helpful?
-
-
· 5 years ago
How much horsepower is needed for this pump
1 answer-
ProductExpert11· 3 years ago
This Cat pump requires 11-13 horsepower gas engine to operate.
Helpful?
-
Accessories We Recommend
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Warranty
Manufacturer's Warranty
12 months parts/12months labor
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Repair Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
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Currently Viewing This Product
$749.99Shipping:
Free shipping (lower 48 states) - Available now
$19.99 Same DayStore Pickup:
1 in stock at Fredericksburg VA - Pickup in under 1 hr
Item # 115180
$9.99Shipping:
Not availableIn Store Only:
Sold only in stores - 11 in stock at Fredericksburg VA
- $999.99
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Factory shippedStore Pickup:
Not available - online only
- $274.99
Shipping:
Factory shippedStore Pickup:
Not available - online only
Specifications
4,200
-
3,500
2,000
3.5
-
5.6
2.7
Pump
Antifreeze
Pump
Pump
1 in
-
1 in
0.75 in
Natural Gas
-
-
-
30 lb
0.4000 lb
-
-
-
4 oz
-
-
-
0.4 ft
-
-
-
No
Yes
Yes
-
2.0 x 3.0 x 5.5 in
-
-
-
-
Brass
-
-
-
165 °F
140 °F
-
-
24 mm
-
-
-
1,450 rpm
3,400 rpm
-
-
No
-
-
-
-
4.1 HP
-
-
-
0.75 in
-
-
-
0.38 in
See All Pressure Washer Pumps + Pump Oil
See All CAT Pumps Pressure Washer Pumps + Pump Oil
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