# B-321

**Manufacturer:** ATP Automotive  
**MPN:** `B-321`

The ATP Automotive B-321 is a 1/2 REC screw bumper designed for use with Mitsubishi F4A51-2 transmissions. This premium filter meets original equipment levels of filtration and fluid flow. It is an internal filter that requires transmission disassembly for replacement, and the pan gasket is not included. Replacement procedures and intervals should be followed according to the service manual, typically recommended after any rebuild or internal service.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | ATP Automotive |
| Manufacturer name | ATP Automotive |
| Manufacturer | ATP Automotive, ATP |
| moq | 1 |
| MPN | B-321 |
| multiple | 1 |
| qtyInStock | 5/20/2019 |
| SKU | ATP-B321 |
| tierMinQty1 | 1 |
| tierPrice1 | 10.99 |
| AdultProduct | False |
| Asin | B004QC0Z94 |
| Autographed | False |
| Batteries_included | False |
| Batteries_required | False |
| Brand | ATP Automotive |
| Bullet_point | Filter for Mitsubishi F4A51-2 Transmissions (confirm by inputting year / make / model), Follow service manual for replacement procedure and replacement intervals, Premium filter specified to OE levels |
| ClassificationId | 15727291 |
| Compatible_with_vehicle_type | Passenger Car |
| Currency | USD |
| DisplayName | Filter & Gasket Kits |
| Height | 1.968503935, 1500, 20.3, 500, 69, 69.0, 75 |
| Identifier | 00740993050919, 0740993050919, 740993050919 |
| IdentifierType | EAN, GTIN, UPC |
| ItemClassification | BASE_PRODUCT |
| ItemName | ATP automotive B-321 Automatic Transmission Filter Kit |
| Item_name | ATP automotive B-321 Automatic Transmission Filter Kit |
| Item_package_quantity | 1 |
| Item_package_weight | 0.3 |
| Item_type_keyword | automotive-automatic-transmission-filter-kits |
| Keyword | B-321-O |
| Length | 102, 102.0, 5.0, 7.9921259761 |
| Link | https://m.media-amazon.com/images/I/41nszVONGML._SL75_.jpg, https://m.media-amazon.com/images/I/41nszVONGML.jpg, https://m.media-amazon.com/images/I/71aS2w0ZV7L.jpg, https://www.amazon.com/gp/bestsell |
| List_price | 18.52 |
| Marking_type | epa_registration_number |
| Memorabilia | False |
| ModelNumber | B-321 |
| Model_number | B-321 |
| Mpns | B-321, B321 |
| Number_of_items | 1 |
| PackageQuantity | 1 |
| PartNumber | B321 |
| Part_number | B321 |
| ProductType | FUEL_FILTER |
| Product_grade | Replacement Part |
| Product_site_launch_date | 2011-01-18T00:00:01-00:00 |
| Rank | 1539, 1955335 |
| Registration_status | fifra_not_considered_pesticide, not_capable_emitting_rf_energy |
| StrippedMpns | B321 |
| Style | Modern |
| Supplier_declared_dg_hz_regulation | not_applicable |
| Title | Automotive, Automotive Replacement Transmission Filter & Gasket Kits |
| TradeInEligible | False |
| Type | ean, gtin, upc |
| Unit | centimeters, inches, kilograms, pounds |
| Variant | MAIN |
| Warranty_description | Limited 90 Day Warranty |
| WebsiteDisplayGroup | automotive_display_on_website |
| WebsiteDisplayGroupName | Automotive Parts and Accessories |
| Weight | 0.661386786 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Summit Racing | ATP-B321 | 10.99 | 1 | None | 1 |
| 21motorsports.com | B-321 |  |  | None | 1 |

---
Structured data: `/python/html6/product/500/124000000/124420000/part_--B321---ATPAutomotive--00af7117df.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp