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Used OEM HV Battery Pyrotechnic Disconnect for Tesla Model S | 1111313-00-F

$179.00 USD
OEM Part Number
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 Product Description

Used OEM High-Voltage Battery Safety Replacement

This used OEM pyrotechnic disconnect is designed for Tesla Model S high-voltage battery service applications where the original disconnect unit has failed, triggered, or requires replacement during repair. It is matched to OEM Part No. 1111313-00-F and positioned as a practical OEM replacement for qualified HV battery service work. Tesla service documentation identifies this component as a pyrotechnic disconnect rated at 2000A, confirming that it is a high-voltage battery safety component rather than a standard low-voltage fuse.

Built for Professional HV Battery Repair

This is a safety-related electrical component used within the high-voltage battery system. It is best suited for professional repair scenarios involving HV battery service, fault diagnosis, triggered disconnect replacement, or post-incident restoration. Tesla service information places this part within HV Battery Electrical Components and treats replacement as a qualified high-voltage repair procedure.

OEM Part Number Clarity Matters

For high-voltage system parts, correct part number matching is essential. This product is identified by OEM Part No. 1111313-00-F, which is the key reference buyers and technicians should verify before ordering. Public market listings also use this exact OEM number for Model S pyrotechnic disconnect applications.

A More Cost-Effective OEM Alternative

Compared with high-priced new OEM inventory, a used OEM disconnect can be a more practical repair option when the correct part number and application are confirmed. Public listings show a wide pricing spread between used OEM and new OEM inventory, which supports positioning this product as a cost-effective OEM replacement for repair-focused buyers.


Bullet Points

  • Broad Model S Fitment — Compatible with Tesla Model S across all model years based on manufacturer confirmation.
  • Genuine OEM Part Number Match — OEM Part No. 1111313-00-F for more accurate replacement identification.
  • Restores HV Disconnect Function — Designed to replace a failed or triggered original pyrotechnic disconnect in the high-voltage battery system.
  • Used OEM Replacement — A cost-effective OEM alternative for qualified HV battery service and repair.
  • Professional Repair Component — Intended for high-voltage battery service work and should be installed by qualified technicians.

Specifications Table

Item Details
Product Name HV Battery Pyrotechnic Disconnect
OEM Part Number 1111313-00-F
Vehicle Tesla Model S
Fitment All model years supported
Condition Used OEM
Product Type High-Voltage Battery Safety Component
Function Restores HV battery disconnect function
Current Rating 2000A
Installation Type Professional high-voltage service required

Tesla service information identifies the component as a pyrotechnic disconnect, current powered, 2000A.


Fitment

Fit for

  • Tesla Model S

Fitment Note

  • All model years supported

Ordering Note

Please verify OEM Part No. 1111313-00-F before ordering.


Installation Information

Installation Location

Necessary Installation Tools
  • High-voltage insulated gloves (rated ≥ 1000V)
  • Torque wrench (with 12Nm and 7.5Nm calibration)
  • Insulated socket set
  • ESD anti-static wristband
  • Flat-head screwdriver (insulated)
Installation Steps
Step 1
Power Off Safely 
Turn off the vehicle, disconnect the 12V battery negative terminal, wait 5 minutes to discharge residual high-voltage electricity. Wear insulated gloves and ESD wristband.
Step 2
Remove Cover
Locate the high-voltage fuse cover (front trunk or under chassis), remove 6-9 fixing bolts, and take off the cover carefully.
Step 3
Take Out Old Fuse
 Disconnect the fuse connector, unscrew 2 fixing nuts (12Nm) with an insulated wrench, and take out the old fuse (do not reuse).
Step 4
Install New Fuse 
Check the new fuse (1111313-00-F), align with the slot, push firmly until the connector is fully seated. Ensure the arrow on the fuse points to the rear of the vehicle. Tighten the 2 nuts to 12Nm.
Step 5
Reset & Test
Reinstall the cover with new bolts (torque to 7.5Nm), reconnect the 12V battery. Start the vehicle and check for no error lights.
Notes & Safety Warnings
  • High Voltage Risk: Only qualified electricians (with low-voltage electrician certificate) can operate. Never work without power-off.
  • One-Time Use: The fuse is disposable; do not reuse after activation.
  • Arrow Direction: The arrow must point to the rear of the vehicle; wrong direction causes system failure.
  • Torque Requirement: Tighten bolts to the specified torque (12Nm/7.5Nm) to avoid short circuit or damage.
  • Safe Environment: Operate in a dry area; avoid rain or humidity.

Package Includes

  • 1 × Used OEM HV Battery Pyrotechnic Disconnect
  • Protective packaging

Why Choose Our Product

Genuine OEM Part Number Match

Matched to OEM Part No. 1111313-00-F for more confident replacement selection.

Broad Model S Fitment

Compatible with Tesla Model S across all model years .

Used OEM Value

A more cost-effective OEM alternative to expensive new OEM inventory, especially for repair-focused buyers. Public listings show used OEM pricing materially below some new OEM inventory.

Professional Repair Positioning

This is a serious HV battery repair component, not a cosmetic accessory or generic universal part. Tesla documentation places it within the HV battery electrical system.

Clear Product Purpose

Built for replacing a failed or triggered original disconnect and restoring proper HV battery disconnect function.


Common Tesla Model S Owner and Repair Problems

  • Original pyrotechnic disconnect has failed or triggered
  • HV battery service requires the correct OEM replacement
  • Uncertainty around used part quality in the salvage market
  • Confusion about part number matching
  • Need for a more affordable OEM option versus high new OEM pricing

How This Product Helps

  • Replaces the original disconnect with a matching used OEM unit
  • Helps restore proper HV battery disconnect function
  • Supports more accurate ordering with OEM Part No. 1111313-00-F
  • Offers a lower-cost OEM alternative to some new OEM inventory
  • Fits Tesla Model S across all model years

FAQ

1. What does this part do?

This part is a high-voltage battery pyrotechnic disconnect used in the HV battery safety system.

2. Is this part new?

No. This is a used OEM replacement part.

3. Which vehicle does it fit?

It fits Tesla Model S across all model years .

4. What is the OEM part number?

The OEM part number is 1111313-00-F.

5. Is this a standard fuse?

No. It is a pyrotechnic disconnect used in the high-voltage battery system, not a standard low-voltage fuse.

6. Is professional installation recommended?

Yes. Because this is a high-voltage battery system component, professional installation is strongly recommended. Tesla service procedures require qualified technicians.

7. Can this replace a triggered or failed original unit?

Yes. It is intended as an OEM replacement for a failed or triggered original pyrotechnic disconnect.

8. What should I confirm before ordering?

Please confirm your vehicle application and OEM Part No. 1111313-00-F before ordering.

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