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Ships within 48 hours · Estimated delivery Jun 15 - Jun 20
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Description
Interpump K3.1 Flow Sensitive Unloader Valve – 100 Bar, 11–16 LPM, 3/8" Inlet, 1/2" OutletThe Interpump K3. 1 is a flow sensitive unloader valve engineered to regulate system pressure and protect pressure washer pumps in lower flow setups. Designed for smaller jetting systems and mobile washers, it automatically diverts water to bypass when the spray trigger is released. This unit supports up to 100 Bar pressure and a flow rate between 1116 L min, making it ideal for compact pressure cleaning units. The robust brass body with stainless
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.5 ★★★★★
Based on 296 reviews
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Product Reviews
★★★★★ 5
Fits well, good quality.
Good assortment for the price; clips fit well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 10, 2026
★★★★★ 5
Good
Works great.
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Reviewed in the United States on January 11, 2026
★★★★★ 5
OEM quality
Size: 5 Quart, Style: 1 Pack
This stuff is supposed to be as good or better than OEM Subaru CVT fluid. It works well so far. And it's definitely a lot cheaper than taking it to a dealership and having a flush and fill done
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Reviewed in the United States on February 20, 2026
★★★★★ 5
Worth The Cost Using For Subaru's.
Size: 5 Quart, Style: 1 Pack
Worked great in my Subaru Outback and my daughter's Subaru Forester. Both transmissions shifting very smoothly.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Exactly what advertised
Size: 5 Quart, Style: 1 Pack
Good product and is the same as Genuine Subaru CVT fluid. This company makes it for Subaru
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Reviewed in the United States on May 13, 2026
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