Verified Fitment
| Brand | Model | Year | Variant / type code |
|---|---|---|---|
| BYD | Destroyer 05 | 2022 | Type 05 120KM |
| BYD | Destroyer 05 | 2022 | Type 20 55KM |
| BYD | Destroyer 05 | 2022 | Type 20 55KM Brazil L8 Export C0 |
| BYD | Destroyer 05 | 2023 | Type 05 120KM |
| BYD | Destroyer 05 | 2023 | Type 20 120KM (Optional UAES VCU) |
| BYD | Destroyer 05 | 2023 | Type 20 55KM |
| BYD | Destroyer 05 | 2023 | Type 20 55KM (Optional UAES VCU) |
| BYD | Destroyer 05 | 2023 | Type 20 55KM Brazil L8 Export C0 |
| BYD | Destroyer 05 | 2024 | Type 05 120KM |
| BYD | Destroyer 05 | 2024 | Type 20 55KM |
| BYD | Destroyer 05 | 2024 | Type 20 55KM Brazil L8 Export C0 |
| BYD | Destroyer 05 | 2025 | Type 05 120KM |
| BYD | Destroyer 05 | 2025 | Type 20 55KM |
| BYD | Destroyer 05 Glory | 2022 | All versions |
| BYD | Destroyer 05 Glory | 2023 | All versions |
| BYD | Destroyer 05 Glory | 2024 | All versions |
| BYD | Destroyer 05 Glory | 2025 | All versions |
| BYD | Qin PLUS DM-i | 2020 | 1.5L Displacement, Flagship Y (Black-Brown Two-Tone Interior) |
| BYD | Qin PLUS DM-i | 2020 | 1.5L Displacement, Luxury Y (Blue-Grey Two-Tone Interior) |
| BYD | Qin PLUS DM-i | 2021 | 1.5L Displacement, Flagship Y (Black-Brown Two-Tone Interior) |
| BYD | Qin PLUS DM-i | 2021 | 1.5L Displacement, Luxury Y (Blue-Grey Two-Tone Interior) |
| BYD | Qin PLUS DM-i | 2021 | Flagship Y (Optional Embedded Cluster, EU-spec Charge-Port) MEA |
| BYD | Qin PLUS DM-i | 2021 | Type HA2HZ-10 (Beige-Brown Two-Tone Interior 04) |
| BYD | Qin PLUS DM-i | 2022 | 1.5L Displacement, Flagship Y (Black-Brown Two-Tone Interior) |
| BYD | Qin PLUS DM-i | 2022 | 1.5L Displacement, Luxury Y (Blue-Grey Two-Tone Interior) |
| BYD | Qin PLUS DM-i | 2022 | Flagship Y (Blue-Grey Two-Tone Interior) |
| BYD | Qin PLUS DM-i | 2022 | Flagship Y (Optional Embedded Cluster, EU-spec Charge-Port) MEA |
| BYD | Qin PLUS DM-i | 2022 | Luxury Y (Blue-Grey Two-Tone Interior) |
| BYD | Qin PLUS DM-i | 2022 | Type 10 120KM |
| BYD | Qin PLUS DM-i | 2022 | Type 10 55KM (Optional UAES VCU) |
| BYD | Qin PLUS DM-i | 2022 | Type HA2HAA-10 (Beige-Brown Two-Tone Interior 04) |
| BYD | Qin PLUS DM-i | 2022 | Type HA2HZ-10 (Beige-Brown Two-Tone Interior 04) |
| BYD | Qin PLUS DM-i | 2022 | Type HA2HZ-20 (Beige-Brown Two-Tone Interior 04) |
| BYD | Qin PLUS DM-i | 2023 | Type 10 120KM |
| BYD | Qin PLUS DM-i | 2023 | Type 10 55KM (Optional UAES VCU) |
| BYD | Qin PLUS DM-i | 2023 | Type HA2HAA-10 (Beige-Brown Two-Tone Interior 04) |
| BYD | Qin PLUS DM-i | 2023 | Type HA2HAA-20 (Beige-Brown Two-Tone Interior 04) |
| BYD | Qin PLUS DM-i | 2023 | Type HA2HZ-10 (Beige-Brown Two-Tone Interior 04) |
| BYD | Qin PLUS DM-i | 2023 | Type HA2HZ-20 (Beige-Brown Two-Tone Interior 04) |
| BYD | Qin PLUS DM-i | 2024 | Type 10 120KM |
| BYD | Qin PLUS DM-i | 2024 | Type 10 55KM (Optional UAES VCU) |
| BYD | Qin PLUS DM-i | 2024 | Type HA2HAA-10 (Beige-Brown Two-Tone Interior 04) |
| BYD | Qin PLUS DM-i | 2024 | Type HA2HAA-20 (Beige-Brown Two-Tone Interior 04) |
| BYD | Qin PLUS DM-i | 2024 | Type HA2HZ-10 (Beige-Brown Two-Tone Interior 04) |
| BYD | Qin PLUS DM-i | 2024 | Type HA2HZ-20 (Beige-Brown Two-Tone Interior 04) |
| BYD | Qin PLUS DM-i | 2025 | Type 10 120KM |
| BYD | Qin PLUS DM-i | 2025 | Type HA2HZ-10 (Beige-Brown Two-Tone Interior 04) |
| BYD | Qin PLUS DM-i Glory | 2020 | All versions |
| BYD | Qin PLUS DM-i Glory | 2021 | All versions |
| BYD | Qin PLUS DM-i Glory | 2022 | All versions |
| BYD | Qin PLUS DM-i Glory | 2023 | All versions |
| BYD | Qin PLUS DM-i Glory | 2024 | All versions |
| BYD | Qin PLUS DM-i Glory | 2025 | All versions |
53 vehicle versions. Scroll inside the box to see them all. Type codes are printed on the vehicle identification plate. Not sure? Send us the number from the old part over WhatsApp and we confirm it against the factory catalogue before you order.
Dual-Inverter DC Busbar for BYD Destroyer 05, OE 12978621-00
Price shown without any local sales tax. Shipping is shown on this page and confirmed at checkout. Import taxes and duty in Hong Kong SAR are not included and may be charged when the parcel arrives.
About This Part
Dual-inverter DC busbar assembly for the BYD Destroyer 05 2022-2025 and Qin PLUS DM-i 2020-2025, and more BYD DM-i builds, matching OE 12978621-00 and reference HA2HE-2105090. This high-voltage DC cable links the twin inverters through shielded, corrugated orange conductors with keyed HV connectors at each end. Fit this HV busbar harness to replace a chafed sleeve or a damaged high-voltage power cable.
Technical Details
| Specification | Value |
|---|---|
| Condition | New |
| Quality line | Original/Genuine |
| Material | Metal |
| Mounting position | Engine Bay |
| Amount in delivery | 1 piece |
| Specification | Value |
|---|---|
| OE references | 12978621-00 · HA2HE-2105090 |
| Approx. weight (packed) | Under 3 kg |
| Approx. packaging dimensions | 64 x 53 x 13 cm |
| Country of origin | China |
| Vehicle type | Passenger Car |
Packaging dimensions and weight are approximate and for orientation only. Shipping to Hong Kong SAR is shown above and confirmed at checkout.
Frequently Asked Questions: OE 12978621-00
What if the number on my old part is different from 12978621-00?
Check the marking on the part you are removing before you order this one. This busbar carries OE number 12978621-00, also shown as HA2HE-2105090. Allow 8 to 28 days for delivery, counted from your order to your door. That way you can be confident the busbar arriving matches the one you are taking off the car, rather than guessing from the description alone.
How long will my dual-inverter DC busbar take to arrive?
Allow 8 to 28 days for delivery, counted from your order to your door. That is the window to plan around rather than a fixed delivery date. Before ordering, look at the model and the model year written on your registration document, since BYD Destroyer 05 covers more than one build and the fitment table on this page needs those exact details to confirm this busbar, OE number 12978621-00, is the right one for your vehicle.
Where does the dual inverter DC busbar fit on the Destroyer 05?
It sits in the engine bay, forming part of the HV cabling and connectors within the HV charging and distribution system. Before ordering, take the OE number stamped on the busbar you are removing and match it against 12978621-00, also listed as HA2HE-2105090. This is a metal component supplied new, and matching the marked number is the surest way to confirm it is the correct part for your car before you place the order.
Is this the only busbar listed for OE 12978621-00, or is there a cheaper option?
Only the original is available for this OE number, so there is no aftermarket option to pick from here. Before ordering, look at where the busbar sits between the two inverters in the engine bay, note which side it connects to and check the fixings holding it in place. If your part does not match on any of those points, that difference is worth raising before you buy, since an alternative can only be matched correctly once the fitting details are confirmed.
Related Parts
How Ordering Works
Your order is packed and shipped tracked, and the import duty and VAT that apply to your destination are calculated at checkout. The final gallery image on this page is the process card showing each delivery step. Delivery to Hong Kong SAR: 8 to 28 days, depending on the option you choose at checkout. Shipping to Hong Kong SAR: from $20.25 (Economy), from $38.65 (Express), confirmed at checkout before you pay.