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NHTSA ID Number: 10108961
Manufacturer Communication Number: Product Bulletin
Summary
12-1/4″ Magnet Update
Equipments
| BRAND | PART NO. | PRODUCTION DATES |
| DEXTER AXLE | AXLE ASSEMBLE | |
| DEXTER AXLE | BRAKE ACTUATOR | |
PRODUCT BULLETIN #388
Date: June 19, 2017
Subject: 12-1/4″ Magnet Update
| New Magnet |
| K71-378-00 (Red/Black Wire) |
In keeping with Dexter’s quest for continual improvement and a stronger product offering, Dexter is pleased to announce changes to the 12-1/4″ brake offering. The update transitions from the use of five specific magnets used to support the D72 series through the D150 Sprung product lines and #12V through #14 Torflex® product lines, down to a single magnet. Keeping the customer in the forefront, the new 12-1/4″ magnet utilizes the strongest arrangement of components, creating the highest level of performance while minimizing inventory needed to meet customer needs.
Building safety into every brake, Dexter proudly manufactures our magnets and other brake components to the highest level of quality and integrity from our facility in the American heartland – Albion, Indiana.
The new 12-1/4″ magnet can be identified by a black and red magnet wire (see picture below). The new magnet design is also completely interchangeable with current magnets, and will be a running change in both finished product and kits moving forward. As with all magnets, they should be replaced in pairs – both sides of the axle.
Old Magnets
K71-441-00 (7.2K)
K71-375-00 (8K)
K71-376-00 (10K GD/10K HD)
K71-377-00 (12K)
K71-378-00 (15K)
Magnet kits and magnet assemblies affected:
| Old Part Number | Replacement Part Number | Description |
| K71-441-00 | K71-378-00* | Magnet Replacement Kit for 12-1/4″ X 2-1/2″ (7.2K) – RED WIRE |
| K71-375-00 | Magnet Replacement Kit for 12-1/4″ X 3-3/8″ (8K) – WHITE WIRE | |
| K71-376-00 | Magnet Replacement Kit for 12-1/4″ X 3-3/8″ (10K GD) or 12-1/4″ x 4″ (10K HD) – YELLOW WIRE | |
| K71-377-00 | Magnet Replacement Kit for 12-1/4″ x 5″ (12K) – BLACK WIRE | |
| K71-378-00* | Magnet Replacement Kit for 12-1/4″ x 5″ (15K) – BLUE WIRE | |
| 042-136-00 | 042-131-00 | Magnet Assembly – 12-1/4″ x 2-1/2″ 7.2K |
| 042-136-01 | 042-131-01 | Magnet Assembly – 12-1/4″ x 2-1/2″ 7.2K 50″ Long Leads |
| 042-127-00 | 042-131-00 | Magnet Assembly – 12-1/4″ x 3-3/8″ 8K 12′ Long Spliced Leads |
| 042-128-00 | 042-131-01 | Magnet Assembly – 12-1/4″ x 3-3/8″ 8K 50″ Long Leads |
| 042-129-00 | 042-131-00 | Magnet Assembly – 12-1/4″ x 3-3/8″ 9K & 10K GD |
| 042-135-00 | 042-131-01 | Magnet Assembly – 12-1/4″ X 3-3/8″ 9K & 10K GD or 12-1/4″ x 4″ 10K HD 50” Long Leads |
| 042-130-00 | 042-131-00 | Magnet Assembly – 12-1/4″ x 5″ 12K |
| 042-130-01 | 042-131-01 | Magnet Assembly – 12-1/4″ x 5″ 12K 50″ Long Leads |
| 042-131-00* | 042-131-00* | Magnet Assembly – 12-1/4″x 5″ 15K |
*Note: Product will represent single assembly, but with new red/black lead wire
Brake assemblies affected:
Moving forward all wire leads will be red/black. Brake identification will require identifying the flange pattern, width and hub/drum number.
| Part Number | Kit Number | Description |
| 023-428-00 | K23-428-00 | 12-1/4″ x 2.5″ 7.2K LH Electric Manual Adjust |
| 023-430-00 | N/A | 12-1/4″ x 2.5″ 7.2K LH Electric Manual Adjust 33″ Long Leads |
| 023-429-00 | K23-429-00 | 12-1/4″ x 2.5″ 7.2K RH Electric Manual Adjust |
| 023-431-00 | N/A | 12-1/4″ x 2.5″ 7.2K RH Electric Manual Adjust 33″ Long Leads |
| 023-432-00 | K23-432-00 | 12-1/4″ x 3-3/8″ 8K LH Electric Manual Adjust |
| 023-432-01 | N/A | 12-1/4″ x 3-3/8″ 8K LH Electric Manual Adjust 33″ Long Leads |
| 023-433-00 | K23-433-00 | 12-1/4″ x 3-3/8″ 8K RH Electric Manual Adjust |
| 023-433-01 | N/A | 12-1/4″ x 3-3/8″ 8K RH Electric Manual Adjust 33″ Long Leads |
| 023-434-00 | K23-434-00 | 12-1/4″ x 3-3/8″ 8K LH Electric Forward Self Adjust |
| 023-434-01 | N/A | 12-1/4″ x 3-3/8″ 8K LH Electric Forward Self Adjust 33″ Long Leads |
| 023-435-00 | K23-435-00 | 12-1/4″ x 3-3/8″ 8K RH Electric Forward Self Adjust |
| 023-435-01 | N/A | 12-1/4″ x 3-3/8″ 8K RH Electric Forward Self Adjust 33″ Long Leads |
| 023-448-00 | K23-448-00 | 12-1/4″ x 3-3/8″ 9K & 10K GD LH Electric Manual Adjust |
| 023-448-01 | N/A | 12-1/4″ x 3-3/8″ 9K & 10K GD LH Electric Manual Adjust 33″ Long Leads |
| 023-449-00 | K23-449-00 | 12-1/4″ x 3-3/8″ 9K & 10K GD RH Electric Manual Adjust |
| 023-449-01 | N/A | 12-1/4″ x 3-3/8″ 9K & 10K GD RH Electric Manual Adjust 33″ Long Leads |
| 023-450-00 | K23-450-00 | 12-1/4″ x 3-3/8″ 9K & 10K GD LH Electric Forward Self Adjust |
| 023-450-01 | N/A | 12-1/4″ x 3-3/8″ 9K & 10K GD LH Electric Forward Self Adjust 33″ Long Leads |
| 023-451-00 | K23-451-00 | 12-1/4″ x 3-3/8″ 9K & 10K GD RH Electric Forward Self Adjust |
| 023-451-01 | N/A | 12-1/4″ x 3-3/8″ 9K & 10K GD RH Electric Forward Self Adjust 33″ Long Leads |
Brake assemblies affected (continued):
| Part Number | Kit Number | Description |
| 023-436-00 | K23-436-00 | 12-1/4″ x 4″ 10K HD LH Electric Manual Adjust |
| 023-436-01 | N/A | 12-1/4″ x 4″ 10K HD LH Electric Manual Adjust 33″ Long Leads |
| 023-437-00 | K23-437-00 | 12-1/4″ x 4″ 10K HD RH Electric Manual Adjust |
| 023-437-01 | N/A | 12-1/4″ x 4″ 10K HD RH Electric Manual Adjust 33″ Long Leads |
| 023-438-00 | K23-438-00 | 12-1/4″ x 4″ 10K HD LH Electric Forward Self Adjust |
| 023-438-01 | N/A | 12-1/4″ x 4″ 10K HD LH Electric Forward Self Adjust 33″ Long Leads |
| 023-439-00 | K23-439-00 | 12-1/4″ x 4″ 10K HD RH Electric Forward Self Adjust |
| 023-439-01 | N/A | 12-1/4″ x 4″ 10K HD RH Electric Forward Self Adjust 33″ Long Leads |
| 023-440-00 | K23-440-00 | 12-1/4″ x 5″ 12K LH Electric Manual Adjust |
| 023-441-00 | K23-441-00 | 12-1/4″ x 5″ 12K RH Electric Manual Adjust |
| 023-442-00 | K23-442-00 | 12-1/4″ x 5″ 12K LH Electric Forward Self Adjust |
| 023-442-01 | N/A | 12-1/4″ x 5″ 12K LH Electric Forward Self Adjust 33″ Long Leads |
| 023-443-00 | K23-442-00 | 12-1/4″ x 5″ 12K RH Electric Forward Self Adjust |
| 023-443-01 | N/A | 12-1/4″ x 5″ 12K RH Electric Forward Self Adjust 33″ Long Leads |
| 023-444-00 | K23-444-00 | 12-1/4″ x 5″ 15K LH Electric Manual Adjust |
| 023-445-00 | K23-445-00 | 12-1/4″ x 5″ 15K RH Electric Manual Adjust |
| 023-446-00 | K23-446-00 | 12-1/4″ x 5″ 15K LH Electric Forward Self Adjust |
| 023-447-00 | K23-447-00 | 12-1/4″ x 5″ 15K RH Electric Forward Self Adjust |
Please contact your Dexter Sales Engineer for additional questions, ordering information, and product availability.
Product Bulletin
https://www.nhtsa.gov/recalls?nhtsaId=10108961
https://static.nhtsa.gov/odi/tsbs/2017/MC-10108961-9999.pdf
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