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The ATP Y-100 Automatic Transmission Detent Cable is engineered as a reliable, adjustable replacement for worn or damaged detent (kickdown) cables. Designed to restore proper transmission downshift operation, this cable ensures smooth acceleration response and correct shift timing. Manufactured to meet or exceed OE specifications, the Y-100 offers durable construction, precise fitment, and long service life across a wide range of classic GM vehicles.
OE-QUALITY PERFORMANCE – Designed to match original equipment function for accurate downshift control.
ADJUSTABLE DESIGN – Allows fine-tuning for proper transmission engagement.
DURABLE CONSTRUCTION – Built for longevity under varying driving and load conditions.
EASY INSTALLATION – Male-to-clevis end configuration simplifies attachment to linkage and throttle components.
WIDE COVERAGE – Fits numerous GM cars, vans, and trucks from the 1970s–1980s.
Fits the following vehicles equipped with compatible automatic transmissions:
GMC P15/P1500 Van (1971–1972)
GMC G25/G2500 Van (1971–1972)
GMC G15/G1500 Van (1971–1972)
Chevrolet P20 Van (1971–1972)
Chevrolet P10 Van (1971–1972)
Chevrolet G30 Van (1971–1972)
Chevrolet G10 Van (1971–1972)
Oldsmobile Cutlass Salon (1978–1980)
Chevrolet G30 (1975–1980)
Chevrolet G20 (1975–1980)
Chevrolet G20 Van (1971–1972)
GMC P35 (1975–1976)
GMC P25 (1975–1976)
GMC K3500 (1979–1980)
GMC K35 (1977–1978)
Chevrolet G10 (1975–1980)
Chevrolet El Camino (1976–1980)
Chevrolet Corvette (1976–1980)
GMC K2500 Suburban (1979–1980)
GMC K25 Suburban (1975–1978)
GMC K2500 (1979–1980)
GMC K25 (1975–1978)
GMC K1500 Suburban (1979–1980)
GMC K15 Suburban (1975–1978)
Chevrolet C20 Pickup (1971–1972)
Chevrolet C10 Pickup (1971–1972)
GMC K1500 (1979–1980)
GMC K15 (1975–1978)
GMC Jimmy (1975–1980)
GMC G3500 (1979–1980)
GMC G35 (1975–1978)
Chevrolet Caprice (1976–1980)
Chevrolet Camaro (1975–1980)
GMC G2500 (1979–1980)
GMC G25 (1975–1978)
GMC G1500 (1979–1980)
GMC G15 (1975–1978)
GMC Caballero (1978–1980)
Chevrolet C30 (1975–1980)
Chevrolet C20 Suburban (1971–1972, 1975–1980)
Chevrolet C20 (1975–1980)
Pontiac LeMans (1978–1980)
Pontiac Grand Prix (1978–1980)
GMC C1500 Suburban (1979–1980)
GMC C15 Suburban (1975–1978)
GMC C1500 (1979–1980)
GMC C15 (1975–1978)
Chevrolet K5 Blazer (1975–1980)
Pontiac Grand LeMans (1978–1980)
Pontiac Grand Am (1978–1980)
Chevrolet P30 (1975–1980)
Chevrolet P20 (1975–1980)
Buick Skylark (1978–1979)
Pontiac Firebird (1976, 1978–1980)
Pontiac Catalina (1980)
Chevrolet Nova (1975–1979)
Chevrolet Monza (1975, 1977–1979)
Chevrolet Monte Carlo (1976–1980)
Buick Regal (1977–1980)
GMC P25/P2500 Van (1971–1972)
Oldsmobile Starfire (1977–1979)
Oldsmobile Omega (1976–1979)
Chevrolet Malibu (1976–1980)
Chevrolet Laguna (1976)
Chevrolet K30 (1977–1980)
Chevrolet K20 Suburban (1975–1980)
Buick LeSabre (1978)
GMC G35/G3500 Van (1971–1972)
GMC C25/C2500 Suburban (1971–1972)
GMC C25/C2500 Pickup (1971–1972)
Oldsmobile Cutlass Supreme (1978–1980)
Chevrolet K20 (1975–1980)
Chevrolet K10 Suburban (1975–1980)
Buick Century (1977–1980)
GMC C15/C1500 Suburban (1971–1972)
GMC C15/C1500 Pickup (1971–1972)
Oldsmobile Cutlass (1978–1980)
Oldsmobile Cutlass Cruiser (1980)
Oldsmobile Cutlass Calais (1978–1979)
Chevrolet K10 (1975–1980)
Chevrolet Impala (1976–1980)
Pontiac Ventura (1977)
Pontiac Sunbird (1978–1979)
Pontiac Phoenix (1977–1979)
GMC C3500 (1979–1980)
GMC C35 (1975–1978)
GMC C2500 Suburban (1979–1980)
GMC C25 Suburban (1975–1978)
GMC C2500 (1979–1980)
GMC C25 (1975–1978)
Chevrolet C10 Suburban (1971–1972, 1975–1980)
Chevrolet C10 (1975–1980)
Line Code: ATP
Length: 45.0 in
End 1 Type: Male
End 2 Type: Slotted Clevis
Adjustable: Yes
Country of Origin: CO
HTS Code: 8708998180
Schedule B Code: 8708908180
UPC: 00740993020394
VMRS Code: 026011028
Adjustable cable allows proper calibration of transmission kickdown operation.
Some applications may require routing adjustments for optimal fit.
Designed for vehicles originally equipped with a compatible detent cable system.
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).
