Oil Filter HAJ8423 136 mm for Leyland Constructor, Caterpillar
Spin-on oil filter KO20005, 136.7 mm outside diameter, 1 1/2-16 UNS thread and 209.7 mm overall height. Cross-references Leyland HAJ8423, Caterpillar 249-2347 and Fleetguard LF3472. Fits Leyland Constructor and Roadtrain trucks with TL11 engines.
📋 Key Specs
| Part Number | KO20005 |
| Filter Type | Spin-on oil filter |
| Outer Diameter | 136.7 mm |
| Thread Size | 1 1/2-16 UNS |
| Overall Height | 209.7 mm |
| Media | Pleated cellulose |
| Contents | 1 filter |
| Notes | Gasket diameters are not stated on this page: published figures differ by more than 1 mm between sources. Measure the gasket on the filter being removed. |
❓ FAQ
Yes. KO20005 is listed against HAJ8423 and MAJ8423 with the same 136.7 mm body and 1 1/2-16 UNS thread, and crosses to Caterpillar 249-2347 and Fleetguard LF3472.
Because published gasket figures differ by more than 1 mm between sources. Measure the gasket on the filter being removed rather than trusting one number.
No. The W 13 145 family stands 302 to 308 mm tall; KO20005 is 209.7 mm, so it is a different, shorter filter for a different installation.
Constructor 6 and 8 series, Octopus and Roadtrain, all with TL11 or L11 engines.
The 136.7 mm body and the 1 1/2-16 UNS thread. Gasket diameters also matter, so measure the old gasket.
MOQ varies by product: 5–100 units for standard parts (see product page). Tier pricing decreases with volume. Custom parts usually ≥ 50 units, evaluated by process.
Stock/short-run: 7–15 days; bulk orders 20–35 days; custom 30–45 days incl. sampling. Note your deadline in the inquiry — sales will confirm capacity.
Add products to the inquiry list and submit with contact info. Sales contact you within 24h and issue a formal quotation (tier pricing + proforma invoice) within 48h. The AI assistant can pre-fill inquiries in chat.
Yes. We develop from drawings/samples and support private labeling. Process: evaluation → sampling (15–25 days) → approval → mass production.
Payment: T/T 30% deposit + 70% before shipment / L/C / Trade Assurance. Shipping: FOB Ningbo/Shanghai, CIF or DDP; EU & NA warehouses; sea/air/express.
ISO 9001 & IATF 16949; CE/UL/ATEX on key products. Every batch ships with inspection reports; third-party inspection (SGS/BV) supported.
Description
Product Overview
Spin-on oil filter KO20005 has a 136.7 mm body, a 1 1/2-16 UNS thread and stands 209.7 mm tall. The can is crimped with its gasket, so the whole unit is replaced and no O-ring is reused. It is listed against Leyland HAJ8423, Caterpillar 249-2347, Fleetguard LF3472 and Baldwin B7272, and fits Leyland Constructor and Roadtrain trucks with TL11 engines.
Key Features
Cross Reference
All brand names and part numbers are used for reference purposes only. They are the trademarks of their respective owners.
