3M51-10A659-AJ 1356169 Battery Upper Cover for 2005 Ford Focus
Primary OE reference: 3M51-10A659-AJ
Cross-reference 1: 3M51-10A659-AJ
Cross-reference 2: 1356169
Product type: Battery Upper Cover
Applicable vehicle: 2005 FORD Focus
Installation position: Top of the battery enclosure
Brand: FORD
Model: Focus
Vehicle year: 2005
Identification detail: top lid with early Focus retention clips and terminal cut-outs
Fitment verification: Confirm 3M51-10A659-AJ / 1356169, battery size, cable exits, clip pattern and mounting geometry.
Installation guidance: Disconnect the battery safely, dry-fit the component and ensure no terminal, cable or ventilation path is trapped.
Purchase reference: Quote SKU FD02044-020, OE number, battery layout, vehicle application and quantity.
3M51-10A659-AJ Battery Upper Cover Overview
Battery Upper Cover 3M51-10A659-AJ serves the stated FORD battery-area application. The cover closes the upper enclosure and allows the positive and negative leads to exit without being pinched.
Battery-Area Fitment Identification
Compare top lid with early Focus retention clips and terminal cut-outs. Check the battery footprint, terminal orientation, cable reliefs and every concealed locating point; a cover that looks similar from above may use a different lower interface.
Safe Installation Preparation
Disconnect the negative terminal first and isolate the cables before removing nearby covers. Position 3M51-10A659-AJ without forcing the harness, then engage its tabs or fasteners evenly and reconnect in the correct sequence.
Post-Installation Function Check
Complete a visual check around the entire enclosure. Leads should have relaxed bends, covers should sit flush and any thermal barrier should remain outside the clamp and terminal contact zones.
Upper Lead Clearance
The AJ-suffix upper cover must close without bearing on cable terminals. Align the rear edge first, guide the leads through their reliefs and press the remaining catches. If the lid rocks, inspect cable placement and receiver tabs instead of applying additional force.
Automotive Replacement Part Specifications
| Product type | Battery Upper Cover |
|---|---|
| Primary OE reference | 3M51-10A659-AJ |
| Internal item code | FD02044-020 |
| Vehicle brand | FORD |
| Model | Focus |
| Vehicle year | 2005 |
| Applicable vehicle | 2005 FORD Focus |
| Installation position | Top of the battery enclosure |
| Identification detail | top lid with early Focus retention clips and terminal cut-outs |
| Cross-reference numbers | 3M51-10A659-AJ / 1356169 |
Warehouse Packing and Supply
Protect moulded corners, clip tabs and thermal surfaces from stacking pressure. Label the carton with FD02044-020, 3M51-10A659-AJ, vehicle application and battery-area position.
Frequently Asked Questions
What does 3M51-10A659-AJ identify?
3M51-10A659-AJ identifies the listed battery upper cover for 2005 FORD Focus.
How should SKU FD02044-020 be matched?
Compare top lid with early Focus retention clips and terminal cut-outs, battery layout, cable openings and all attachment points.
Must the battery be disconnected?
Yes. Follow the vehicle manufacturer’s isolation and reconnection procedure before working around terminals.
What should be checked after installation?
Confirm secure seating, cable clearance, terminal protection, ventilation and drainage.
What information supports a wholesale quotation?
Provide 3M51-10A659-AJ / 1356169, SKU FD02044-020, vehicle details, destination and quantity.




