Diesel Engine Excavator Injector Spin On Air Oil Separator Filter 4931691 AS2474 4931690

Spin-On Air Oil Separator Filter 4931691 AS2474 4931690 Aftermarket Diesel Engine Spare Part for Heavy-Duty Construction Machinery Replacement Filter

Search Keywords

4931691, AS2474, 4931690, Air Oil Separator Filter, Fleetguard AS2474, crankcase ventilation filter, spin-on oil separator filter, diesel engine filter, heavy machinery filter, construction machinery replacement parts

Product Overview

This Spin-On Air Oil Separator Filter, Part No. 4931691 / AS2474 / 4931690, is a vital filtration component for diesel engine crankcase ventilation system. It effectively separates oil mist from blow-by gas, traps carbon particles and contaminants, protects engine intake system and prevents oil carry-over into the atmosphere. Our aftermarket filter adopts high-efficiency filter media and durable spin-on metal housing, meeting original filtration performance and service interval standards. It is a reliable replacement spare part for regular engine maintenance of construction, mining and power generation equipment.

Detailed Specifications

Key Features & Advantages

✅ High-Efficiency Filter Media Premium filter media captures fine oil mist and carbon particles from blow-by gas, keeping crankcase ventilation clean and protecting engine turbo and intake system.

✅ OEM Spin-On Dimension & Thread Exact same thread size and mounting dimension as original filter, quick and tool-friendly replacement during scheduled maintenance.

✅ Durable Anti-Corrosion Housing Steel can with anti-rust coating, resistant to dust, moisture and vibration under harsh outdoor working site conditions.

✅ Stable Filtration Performance Consistent oil separation efficiency across full service interval, effectively reduces oil consumption and exhaust emission.

✅ 100% Quality Inspection Before Shipment Each filter undergoes seal and flow test before delivery to guarantee reliable working performance.

Application Scope

Fit for heavy-duty diesel engines equipped with crankcase ventilation system, widely used on:

• Construction excavators and loaders
• Mining trucks and bulldozers
• Generator sets
• Trucks and buses
• Other heavy machinery requiring 4931691 / AS2474 / 4931690 filter

Our Company Advantage

We are a professional supplier for full series engine filters and spare parts. We can supply oil filters, fuel filters, air filters, fuel water separators, air oil separators and other maintenance consumables.

• Rich stock for most popular engine models
• Competitive factory direct price
• Fast shipment for in‑stock goods
• Accept mixed container order for one‑stop spare parts purchasing
• Provide professional technical matching service for your part number inquiry

Packaging & Shipping

1. Individual plastic bag + color / neutral box for each filter
2. Outer carton with shock‑proof protection for sea transportation
3. Support sea freight, air freight, express delivery for small trial order
4. Full export document can be offered (Commercial Invoice, Packing List)

Contact Us

If you need more filters or other spare parts for your engine, please send your part list to us. We will offer you our best quotation immediately.