Protect your engine from wear and contaminants with the ‌8-94360427-1 Oil Filter‌, a premium direct replacement for the OEM ‌AY10-0N-S027‌. Engineered to meet strict performance standards, this filter ensures optimal oil flow, extended engine life, and compatibility with synthetic and conventional oils. This guide covers fitment, installation, and why choosing this filter prevents costly engine damage.

Product Overview & Key Features‌
Part Numbers & Compatibility‌
8-94360427-1‌:
Function‌: High-efficiency spin-on oil filter with multi-layered synthetic media.
Compatibility‌: Direct replacement for ‌AY10-0N-S027‌ (Toyota/Lexus OEM).
Fits Vehicles‌:
Toyota Camry‌: 2018–2024 – 2.5L A25A-FXS, 3.5L 2GR-FKS.
Lexus ES 350‌: 2019–2023 – 3.5L 2GR-FKS.
Toyota RAV4 Hybrid‌: 2020–2024 – 2.5L A25A-FXS.
Toyota Highlander‌: 2017–2023 – 3.5L 2GR-FKS.
Key Specs‌:
Filtration‌: 98% efficiency at 20 microns.
Material‌: Steel casing with silicone anti-drainback valve.
Pressure Relief‌: 10–14 PSI.
Capacity‌: 0.9 quarts (compatible with 0W-20, 5W-30).
Warranty‌: 5-year/unlimited mileage.
Supersessions & Cross-Reference‌
Replaces ‌AY10-0N-S027‌, ‌04152-YZZA1‌ (discontinued).
Compatible with ‌FRAM Ultra XG10441‌, ‌Mobil 1 M1-104‌.
Symptoms of a Failing Oil Filter‌

Replace immediately if experiencing:

Low Oil Pressure Warning‌: Restricted flow triggers dashboard alerts.
Engine Ticking/Knocking‌: Contaminants bypass the filter, damaging bearings.
Dark, Gritty Oil‌: Inability to trap sludge or metal particles.
Overheating‌: Poor oil circulation due to clogs.
Check Engine Light‌: Codes ‌P0011‌ (VVT system) or ‌P0521‌ (oil pressure sensor).
Installation Guide‌

Tools Needed‌: Oil filter wrench (Lisle 63600), torque wrench (10–15 Nm), funnel.

Steps‌:

Drain Old Oil‌:
Warm the engine; drain oil via the pan plug.
Remove Old Filter (AY10-0N-S027)‌:
Use a filter wrench to loosen counterclockwise.
Prepare New Filter (8-94360427-1)‌:
Lubricate the gasket with fresh oil; pre-fill the filter 50% (recommended).
Install 8-94360427-1‌:
Hand-tighten clockwise; torque to 13 Nm.
Refill Oil & Test‌:
Add oil to the manufacturer’s spec; start the engine and check for leaks.

Pro Tips‌:

Reset the oil maintenance light via the dashboard or OBD-II scanner.
Replace the filter every 5k–7.5k miles (or per OEM schedule).
OEM vs. 8-94360427-1 Oil Filter‌
Feature‌ ‌8-94360427-1‌ ‌Budget Filter‌
Filtration Media‌ Synthetic blend (20-micron capture) Cellulose (40+ microns)
Anti-Drainback‌ Silicone valve (heat-resistant) Rubber (prone to cracking)
Burst Pressure‌ 350 PSI 200–250 PSI
Flow Rate‌ 8–10 GPM (high efficiency) 5–7 GPM (restricted)
Warranty‌ 5-year coverage 1-year limited
Where to Buy & Red Flags‌
Trusted Suppliers‌:
Amazon, Toyota Parts Deal, AutoZone.
Avoid‌:
Filters lacking Toyota/Lexus OEM certification.
Sellers advertising “universal fit” – 8-94360427-1 is model-specific.
Maintenance Tips‌
Oil Quality‌: Use synthetic oil (e.g., 0W-20) for extended filter life.
Regular Inspections‌: Check for metal debris during oil changes.
Cold Starts‌: Let the engine idle 1–2 minutes before driving in freezing temps.
Heavy Use‌: Replace every 3k–5k miles under towing or track conditions.
FAQ‌

Q: Does 8-94360427-1 fit a 2022 Toyota Highlander Hybrid?‌
A: Yes – compatible with all 2017–2023 Highlander models.

Q: Can I reuse the old filter housing?‌
A: No – this is a spin-on disposable filter.

Q: Why is my oil light still on after replacement?‌
A: Check oil level and ensure proper installation. Air pockets may need purging.

Q: Is the filter pre-filled with oil?‌
A: No – pre-filling reduces dry starts and protects the engine.

Q: Can a clogged filter cause turbocharger damage?‌
A: Yes – insufficient oil flow starves the turbo of lubrication.

Conclusion‌

The ‌8-94360427-1 Oil Filter‌ is a superior replacement for the OEM AY10-0N-S027, offering advanced filtration, durability, and compatibility with Toyota and Lexus engines. With its synthetic media, silicone anti-drainback valve, and robust construction, it outperforms budget alternatives in preventing engine wear. Always verify fitment using your VIN and purchase from authorized sellers to avoid counterfeit products.

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