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The ATP Z-344 Automatic Transmission Flex Plate is engineered as a direct-fit replacement designed to restore proper torque converter and starter engagement in heavy-duty Ford truck and van applications. Featuring a 155-tooth ring gear, durable construction, and OE-matched bolt pattern, this flex plate ensures reliable performance, smooth engine starts, and long service life even in demanding work environments.
OE-PRECISE DESIGN – Matches factory dimensions for exact fitment and proper alignment with the torque converter and starter.
155-TOOTH RING GEAR – Provides consistent and reliable starter engagement.
HEAVY-DUTY CONSTRUCTION – Built to handle the high torque output of large Ford gasoline engines used in trucks and commercial vans.
ENGINEERED FOR DURABILITY – Resists flexing and cracking under load for long-lasting drivetrain performance.
DIRECT-FIT SOLUTION – No modifications required; installs using OE hardware and mounting positions.
F-350 (1991–1994)
F-250 (1991–1994)
F-Super Duty (1991–1994)
E-350 Econoline Club Wagon (1991–1994)
E-350 Econoline (1991–1994)
E-250 Econoline Club Wagon (1991)
Linecode: ATP4
Pitch Flywheels: 12–14
Weight Added: No
Diameter (in): 1.310
Diameter (mm): 399.256
Outside Diameter: 15.719 in
Teeth / Tooth Quantity: 155
Mounting Hole Quantity: 9
Mounting Hole Diameter: 11.5 in
Safety Rating: N/A
SFI Approved: No
SFI Sticker Included: No
Country of Origin: CN
HTS Code: 8483506000
UPC: 00740993044444
VMRS Code: 045004008
Confirm 155-tooth count and bolt pattern match the original flex plate before installation.
Use proper torque specifications on crankshaft and torque converter bolts.
Inspect starter gear and torque converter mounting pads during replacement.
Recommended for heavy-duty Ford truck and van applications with automatic transmissions.
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
