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Hi flofiltro H F142 Oil Filter 1UY-13440-01 | High-Flow, OEM

Oct . 25, 2025 12:00 Back to list

Hi flofiltro H F142 Oil Filter 1UY-13440-01 | High-Flow, OEM


Hi Flofiltro H F142 Oil Filter 1UY-13440-01 For 2002 Yama Ha YFM400 1998-02 YZ WR 250F 400F 426F — field-tested insights and specs

If you ride a late-90s/early-2000s Yamaha four-stroke in the dirt, you’ve probably learned this the hard way: oil is cheap insurance, filters even more so. The Hi Flofiltro H F142 Oil Filter 1UY-13440-01 For 2002 Yama Ha YFM400 1998-02 YZ WR 250F 400F 426F sits right in that sweet spot—OEM cross, motorsport-ready, and actually available. Origin-wise, the supplier is based at Xiangjiang Street South, Jinggangshan Road West, Qinghe County, Xingtai City, Hebei Province, which is a growing cluster for powersports components. Not a bad sign for supply continuity these days.

Hi flofiltro H F142 Oil Filter 1UY-13440-01 | High-Flow, OEM

Industry trend check

Off-road intervals are shortening because modern fuels and high-rev single-cylinders shear oil fast. Synthetic-blend media and verified multipass testing are becoming the baseline; riders are growing suspicious of “no-data” filters. In fact, we’re seeing more buyers ask about ISO 4548-12 efficiency and beta ratios before they click “add to cart.” Good trend, to be honest.

Hi flofiltro H F142 Oil Filter 1UY-13440-01 | High-Flow, OEM

Technical specifications (quick view)

OEM crossYamaha 1UY-13440-01 (verify fitment by VIN)
MediaHigh-grade cellulose/synthetic blend, resin-bonded
Filtration performanceβ20 ≥ 20 (≈95% at 20 µm) per ISO 4548-12, lab data; real‑world use may vary
Bypass valve≈ 8–12 psi
Anti-drainback valveNBR or silicone (temperature spec options)
DimensionsHeight ≈ 56 mm; OD ≈ 44 mm; core ID ≈ 12 mm (check your model year)
Recommended intervalEvery 30–50 off‑road hours or 3,000–4,000 km; dusty racing: tighten intervals
CertificationsTested per ISO 4548 series (multipass, collapse, burst)
Compatibility focus2002 YFM400; 1998–2002 YZ/WR 250F, 400F, 426F. Listing also mentions Beta/KN631 in a related Outlaw Racing note—verify before mixing parts.
Hi flofiltro H F142 Oil Filter 1UY-13440-01 | High-Flow, OEM

How it’s made and tested

Materials: pleated cellulose/synthetic-blend media with metal end caps, spiral-wound steel core, nitrile or silicone ADBV, precision bypass spring. Methods: automated pleat spacing, epoxy potting, 100% leak test. Tests: ISO 4548-12 multipass efficiency, -6 collapse resistance, -10 burst pressure. Service life: typically one oil cycle in racing, two in casual trail use; I guess it depends on your dust load and throttle hand.

Hi flofiltro H F142 Oil Filter 1UY-13440-01 | High-Flow, OEM

Use cases and rider feedback

    - Weekend enduro on a WR250F: riders report cleaner post-run oil and no gasket seepage.
    - Farm ATV duty on YFM400: stable oil pressure at cold start; surprisingly low debris on cut-open filters after 40 hours.
    - Track day on YZ426F: no bypass spikes in data-logged pressure, even with 10W-50.

Many customers say the fit is “set-and-forget,” which, honestly, is all you want from a filter. Still, always match the OEM code 1UY-13440-01 to your VIN before ordering.

Hi flofiltro H F142 Oil Filter 1UY-13440-01 | High-Flow, OEM

Vendor comparison (quick, practical)

Vendor/Option Filtration Build & Features Notes
This listing (Hi Flofiltro H F142 Oil Filter 1UY-13440-01 For 2002 Yama Ha YFM400 1998-02 YZ WR 250F 400F 426F) ≈95% @ 20 µm (lab), ISO 4548-tested Blend media, robust core, ADBV, bypass 8–12 psi Value pricing; broad Yamaha focus
OEM Yamaha 1UY-13440-01 Meets factory spec Exact fit, conservative bypass Higher cost; dealer dependent
Premium aftermarket (e.g., K&N/HF-series) High efficiency; some use synthetic microglass Strong cans/cores; branding options Pricey; check exact part cross

Customization and B2B options

Private label printing, media grade changes (cellulose to full synthetic), silicone ADBV for cold climates, and tailored bypass set-points are available on request; MOQs apply. Packaging can be retail carton or bulk. Industries served include powersports dealerships, fleet rentals, and off-road racing teams.

Hi flofiltro H F142 Oil Filter 1UY-13440-01 | High-Flow, OEM

Final take

As a practical pick for 1998–2002 Yamaha WR/YZ four-strokes and the 2002 YFM400, this Hi Flofiltro H F142 Oil Filter 1UY-13440-01 For 2002 Yama Ha YFM400 1998-02 YZ WR 250F 400F 426F delivers credible lab-tested performance and solid build quality. It seems that the supplier is serious about standards, which matters. Just cross-check your OEM number and ride on.

Authoritative citations

  1. ISO 4548-12:2017 — Methods of test for full-flow lubricating oil filters
  2. Yamaha Genuine Part 1UY-13440-01 (Element, Oil Cleaner) — Partzilla catalog reference
  3. K&N KN-631 Oil Filter — specifications and application notes
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