Caterpillar Bosch DEF Control ECU | P/N 528-0436

Caterpillar Bosch DEF Control ECU | P/N 528-0436

PRODUCT OVERVIEW
The Caterpillar 528-0436 is a Bosch DEF control ECU. Its catalogue description is "ECU (Bosch-built) - DEF arrangement 504-3093". Application: Cat DEF (diesel exhaust fluid) arrangement 504-3093. It cross-references to 504-3093 (Cat DEF arrangement).
Bosch builds it for Caterpillar (Bosch 0 281 020 558) as the control unit in Cat's DEF (diesel exhaust fluid) arrangement 504-3093 on Tier 4 aftertreatment systems. It is a genuine emissions-system component, not a delete or bypass device.

PART NUMBER IDENTITY
Primary Part Number: 528-0436
Also listed as: 5280436 / 528 0436 / 0281020558
Product Type: Bosch DEF Control ECU
Brand / Manufacturer: Caterpillar
Condition: Used (pre-owned)

CROSS-REFERENCE AND INTERCHANGE
504-3093 - Cat DEF arrangement

APPLICATIONS AND FITMENT
Cat DEF (diesel exhaust fluid) arrangement 504-3093 - aftertreatment control
Always confirm against the part number on your existing unit or your engine / machine serial number.

TECHNICAL SPECIFICATIONS
Catalogue description: ECU (Bosch-built) - DEF arrangement 504-3093
Manufacturer: Bosch for Caterpillar

COMPATIBILITY CHECK
Match 528-0436 (or Bosch 0281020558) on your existing unit and confirm the DEF arrangement number.
Need it programmed for you? See our CAT ECM Programming Service (orderecm.com/products/cat-ecm-programming-service-remote-flash-configuration-all-cat-ecms).

CONDITION AND WARRANTY
Condition: Used (pre-owned)
Pre-owned unit removed from working equipment. It shows normal signs of use - please see the photos for the exact unit and label. Covered by our 365-day warranty and 30-day money-back guarantee.
Core / exchange: outright price - no core charge and no core return required.

BEFORE YOU ORDER
1. Compare the part number on your existing unit with 528-0436 or a cross-reference listed above.
2. Send us a clear photo of your old part's label and your engine serial number (ESN) - we confirm the match before you buy.
3. Need more than one, or a quote for your fleet? Ask us for a bundle price.

FREQUENTLY ASKED QUESTIONS
Is the 528-0436 new or used?
Used (pre-owned). Pre-owned unit removed from working equipment. It shows normal signs of use - please see the photos for the exact unit and label.
What part numbers does the 528-0436 cross-reference to?
504-3093 - see the cross-reference list above for how each number relates.
How do I confirm the 528-0436 is the right part?
Match 528-0436 (or Bosch 0281020558) on your existing unit and confirm the DEF arrangement number.
Is there a core charge?
No. The price is outright - no core charge and no core return required.
How fast is shipping?
FREE worldwide express shipping (DHL / FedEx / EMS) with tracking, dispatched from Sharjah, UAE within 1–4 business days of cleared payment.
What if it is the wrong part?
You are covered by our 30-day money-back guarantee (unit returned unused and uninstalled) and a 365-day replacement warranty.

ORDER BENEFITS
FREE worldwide shipping is included with every OrderECM product. Your order is also backed by a 30-day money-back guarantee and a 365-day replacement warranty.

ALSO SEARCHED AS
528-0436, 5280436, 528 0436, 0281020558, CAT 528-0436, 528-0436 DEF ECU, 504-3093, Cat DEF controller