★★★★★ 5
On time shipping
What I need when I need it
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Reviewed in the United States on May 7, 2026
PI 4 : Pneumatics-pro Push-in Union Stem Fittings Tube Size 4mm PI4 (BAG OF 10 PCS.)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
PI 4 : Pneumatics-pro Push-in Union Stem Fittings Tube Size 4mm PI4 (BAG OF 10 PCS.)PI 4 : Pneumatics pro Push in Union Stem Fittings Tube Size 4mm PI4 (BAG OF 10 PCS.) SPECIFICATIONS: FLUID: Air, Vacuum TUBE SIZE: 4mm THREAD SIZE: PRESSURE RANGE: 0 1MPa (145PSI) MAX. VACUUM PRESSURE: 100KPa TEMPERATURE RANGE: 0 60 Deg. C. No freezing APILICABLE TUBING: Polyurethane (PU), Nylon (PA) and Polyethylene (PE) CLICK HERE FOR CATALOG PDF
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Exchange/Return Notes
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4.5 ★★★★★
Based on 257 reviews
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Product Reviews
★★★★★ 1
Oil pressure drop
Once the engine warms up, the oil pressure drops enough to trigger the check engine light every time it dips below the threshold. I decided to try an aftermarket oil filter, but it looks like I’ll be switching back to the pricey OEM one after all.
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Reviewed in the United States on December 14, 2025
★★★★★ 5
Perfect OEM replacement
An amazing alternative to the expensive OEM filter. Works just as well if not better.
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Reviewed in the United States on May 14, 2025
★★★★★ 5
Parts that fit!
It’s hard to find ‘official Mopar’ parts for the 3.0 Eco Diesel but Doc’s Diesel are exact matches and are as good or better quality as factory.
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Reviewed in the United States on October 20, 2024
★★★★★ 5
Filters
Color: 3 Set
Great value for the money
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Reviewed in the United States on April 17, 2026
