Genuine Toyota Fuel Filter Assembly 23300-78221 For Dyna/Toyoace XZU314D XZU421 XZU388 N04C S05D J05D Diesel — OEM Complete Filter Housing 86x92.5mm
Price:
Negotiable
MOQ:
10 pcs
Delivery Time:
5-8 Work Days
Brand:
YIMI
Product Description
Genuine Toyota Fuel Filter Assembly 23300-78221 For Dyna/Toyoace XZU314D XZU421 XZU388 N04C S05D J05D Diesel — OEM Complete Filter Housing 86x92.5mm
Product Overview
The Fuel Filter Assembly (FILTER ASSY, FUEL) with Genuine Toyota OEM number 23300-78221 is a verified direct-fit replacement for a wide range of Toyota Dyna and Toyoace commercial trucks. Manufactured to Toyota's exacting OEM specifications, this complete fuel filter housing assembly is a critical component of the diesel fuel system.
- OEM Specification — Verified by Genuine Toyota part number 23300-78221
- Precision Dimensions — 86mm outer diameter, 92.5mm height, 11.5mm inner diameter
- Proven Durability — Manufactured to Toyota OEM standards for diesel fuel exposure and continuous engine vibration
- Verified OEM Fitment — Confirmed for Toyota Dyna/Toyoace XZU314D and XZU421 models
- OEM Cross-Reference Verified — Replaces 23300-78220, 23300-78225, and compatible with Blue Print ADT32385
Failure Symptoms
If your fuel filter assembly is failing or clogged, you may experience one or more of the following symptoms:
- Hard Starting / Extended Cranking — Engine takes longer than normal to start
- Loss of Engine Power — Significant reduction in power and acceleration
- Engine Misfires or Stalling — Rough running, misfires, or intermittent stalling
- Poor Fuel Economy — Noticeable decrease in fuel efficiency
- Excessive Exhaust Smoke — Black or white smoke from the exhaust
- Water in Fuel Warning Light — Dashboard indicator illuminates
⚠️ A clogged or failing fuel filter assembly can lead to progressive power loss, injector damage, and costly injection pump failure — prompt replacement is essential to maintain fuel system integrity and engine reliability.
Product Specifications
| Part Number | 23300-78221 |
| Product Name | Fuel Filter Assembly |
| Car Model | Toyota Dyna/Toyoace XZU314D XZU421 XZU388 |
| Engine Model | Toyota N04C S05D J05D |
| Condition | 100% Brand New |
| Material | High-strength aluminum alloy & precision bearings |
Vehicle & Engine Compatibility
⚠️ CRITICAL: This fuel filter assembly is designed for Toyota Dyna/Toyoace commercial trucks. Verify your chassis code and engine code before ordering.
| Brand | Model | Chassis / Series | Engine | Years |
|---|---|---|---|---|
| Toyota | Dyna / Toyoace | XZU314D | N04C 4.0L Diesel | 2006/10 - 2011/06 |
| Toyota | Dyna / Toyoace | XZU421 | S05D | 2005/05 - 2006/10 |
| Toyota | Dyna / Toyoace | XZU388, XZU40#, 41#, 42#, 433 | J05D, N04C, S05D | 2004-2006 |
Features & Benefits
Feature
Benefit + Verification Signal
Genuine Toyota OEM Specification
Guarantees factory-fit quality and performance — verified by Toyota part number 23300-78221
Complete Assembly with Priming Pump Provisions
Includes the filter housing and priming pump provisions — ready for direct installation
Precision 86 ×92.5mm Dimensions
Ensures correct fitment in the factory location — verified by Blue Print ADT32385 cross-reference specifications
OEM Cross-Reference Verified
Interchangeable with 23300-78220 and 23300-78225 — simplifies sourcing and verification
Quality Control & Verification
| QC Item | Verification Method |
|---|---|
| Dimensional Accuracy | Precision inspection to verify 86mm OD, 92.5mm height, and 11.5mm ID match OE blueprint specifications |
| Material Composition | Housing and filter element analysis to verify structural integrity and filtration efficiency |
| Leakage Test | 100% pressure testing to guarantee zero fuel leakage under operating conditions |
| Priming Pump Function Test | 100% actuation testing to verify manual primer builds proper pressure |
Installation & Maintenance Recommendations
⚠️ IMPORTANT: Professional Installation Recommended. Fuel filter assembly replacement requires proper depressurization of the fuel system, cleanliness, and adherence to safety procedures.
Pre-Installation Checklist:
- Ensure the engine is cool before starting work
- Depressurize the fuel system before disconnecting fuel lines
- Clean the area around the filter assembly to prevent contamination
- Use clean, high-quality diesel fuel and replace the filter element regularly
- Inspect fuel lines for cracks or damage — replace if necessary
Maintenance Schedule:
- Inspection: During routine fuel filter service (every 20,000-30,000 km)
- Draining: Drain water from the filter assembly when the water in fuel warning light illuminates
- Element Replacement: Every 20,000-30,000 km — regular filter changes are critical for injection pump and injector longevity
- Assembly Replacement: Immediately if failure symptoms appear or if the housing shows signs of cracking or leakage
Packaging & Supply
- Packaging: Each fuel filter assembly is securely packed in Genuine Toyota OEM packaging
- Weight: Approx. 0.150 kg (filter element)
- Suitable for: Wholesale distributors, truck parts retailers, commercial vehicle repair shops, and fleet owners
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Yimi (Guangzhou) Automotive Parts Co, Ltd
Location
Unit 1313, Building 5, Changsheng DDP Fashion Center, No. 17 Dachi Road, Tancun, Shijing Subdistrict, Baiyun District, Guangzhou City.
Contact Person
James