TC Remanufacturing B21FDQB Automatic Transmission Torque Converter

Name: TC Remanufacturing B21FDQB Automatic Transmission Torque Converter
Brand: TC Remanufacturing
SKU: HKFT-B21FDQB
Price: 286.69 USD
Availability: InStock

252 vehicles fit this part

Select your vehicle to confirm fitment

Verify this part fits before purchasing — free returns if it doesn't

$286.69Free Shipping

Free ShippingNo Cost to Continental U.S.

Free Returns*Wrong fit? No cost

60-Day ReturnsMoney back guarantee

*Free return shipping only qualifies if our fitment verification tool is used.

In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.

OE Direct Replacement — Bolt-on fit, no modifications needed

Fitment: Pontiac, Buick, Chevrolet, and Oldsmobile, G6, Century, Impala, Monte Carlo, Park Avenue, Alero, Silhouette, Montana, Regal, Grand Prix, Lumina, Cavalier, Cutlass, Grand Am, Trans Sport, Achieva, Cutlass Supreme, Riviera, Beretta, Cutlass Ciera, LSS, Skylark, Lumina APV, Corsica, Cutlass Cruiser, LeMans, Cutlass Calais, Calais, Firenza, LeSabre, Delta 88, Electra, 98, J2000 Sunbird, Omega, Phoenix, and J2000

Easy Returns — Return within 60 days for a full refund

Fast Shipping — Most orders ship same business day before 1pm CST

Not what you need? See all Automatic Transmission Torque Converter options

Overview of TC Remanufacturing B21FDQB Torque Converter

The TC Remanufacturing B21FDQB automatic transmission torque converter is engineered for reliable performance in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed with precise specifications, this lock-up torque converter supports smooth power transfer and efficient transmission operation.

Lock-up converter type for improved fuel efficiency
10.200 inch converter diameter
9.500 inch bolt circle for secure mounting
3-pad mounting type with bushing hub
27 spline count for compatibility with specific transmissions
Stall speed of 2095 rpm optimized for targeted applications
Compatible with multiple GM models including Chevrolet Impala and Pontiac Grand Prix

Technical Specifications and Features

This torque converter features a 10.200 inch diameter and a 9.500 inch bolt circle, ensuring proper fitment and balance within the transmission assembly. The lock-up design enhances drivability by reducing slippage at cruising speeds. It uses a bushing-type hub and mounts with three pads, providing stable installation and alignment. The pilot diameter measures 0.825 inches with a pilot length of 0.950 inches, matching OEM requirements. With a 27 spline count, this converter is compatible with transmissions designed for these specifications. The stall speed is rated at 2095 rpm, suitable for the intended vehicle applications.

Compatible Vehicles and Applications

This torque converter is compatible with a range of GM vehicles, including Buick LeSabre, Chevrolet Cavalier, Oldsmobile Cutlass, and Pontiac Grand Am. It fits models such as the Chevrolet Impala, Pontiac Grand Prix, Buick Century, and Oldsmobile Cutlass Ciera, among others. The part number B21FDQB corresponds to converter codes 24235591, 24241866, fd, fdqb, fe, and fj, ensuring correct match for these applications.

Common Issues Addressed by This Torque Converter

Eliminates slipping and shuddering during acceleration
Resolves overheating caused by inefficient torque transfer
Improves fuel economy through lock-up functionality
Reduces transmission noise and vibration
Restores proper stall speed for smooth vehicle operation

Installation Notes and Tips

Ensure the torque converter is properly seated on the transmission input shaft and aligned with the flexplate bolt pattern. Verify the 9.500 inch bolt circle matches the vehicle’s flexplate. Check the spline count and pilot dimensions for compatibility before installation. It is recommended to inspect the transmission fluid and replace if contaminated during installation. Proper torque specifications should be followed for mounting bolts to avoid leaks or misalignment.

Quality Assurance and Warranty

TC Remanufacturing provides this torque converter with a focus on durability and OEM fitment standards. Each unit undergoes remanufacturing processes to meet strict quality controls. Warranty coverage details should be confirmed with the distributor or installer, as terms may vary. This part is designed to meet or exceed original equipment specifications for the listed Buick, Chevrolet, Oldsmobile, and Pontiac models.

Brand	TC Remanufacturing
Part Number	B21FDQB
Bolt Circle	9.500
Converter Codes	24235591, 24241866, FD, FDQB, FE, FJ
Converter Diameter	10.200
Converter Type	Lock Up
Hub Type	Bushing
Mounting Type	3 Pads
Pilot Diameter	0.825
Pilot Length	0.950
Ring Gear	No
Spline Count	27
Stall	2095 RPM

This part fits 252 vehicles. Search below:

Year	Make	Model	Liters	Cylinders	Position
2010	Pontiac	G6	2.4L	L4	N/A
2009	Pontiac	G6	2.4L	L4	N/A
2008	Pontiac	G6	2.4L	L4	N/A
2007	Pontiac	G6	2.4L	L4	N/A
2006	Pontiac	G6	2.4L	L4	N/A
2005	Buick	Century	3.1L	V6	N/A
2005	Chevrolet	Impala	3.4L	V6	N/A
2005	Chevrolet	Monte Carlo	3.4L	V6	N/A
2004	Buick	Century	3.1L	V6	N/A
2004	Buick	Park Avenue	3.8L	V6	N/A
2004	Chevrolet	Impala	3.4L	V6	N/A
2004	Chevrolet	Monte Carlo	3.4L	V6	N/A
2004	Oldsmobile	Alero	3.4L	V6	N/A
2004	Oldsmobile	Silhouette	3.4L	V6	N/A
2003	Buick	Century	3.1L	V6	N/A
2003	Chevrolet	Impala	3.4L	V6	N/A
2003	Chevrolet	Monte Carlo	3.4L	V6	N/A
2003	Oldsmobile	Alero	3.4L	V6	N/A
2003	Oldsmobile	Silhouette	3.4L	V6	N/A
2003	Pontiac	Montana	3.4L	V6	N/A
2002	Buick	Century	3.1L	V6	N/A
2002	Buick	Regal	3.8L	V6	N/A
2002	Chevrolet	Impala	3.4L	V6	N/A
2002	Chevrolet	Monte Carlo	3.4L	V6	N/A
2002	Oldsmobile	Alero	3.4L	V6	N/A
2002	Oldsmobile	Silhouette	3.4L	V6	N/A
2002	Pontiac	Grand Prix	3.1L	V6	N/A
2002	Pontiac	Montana	3.4L	V6	N/A
2001	Buick	Century	3.1L	V6	N/A
2001	Chevrolet	Impala	3.4L	V6	N/A
2001	Chevrolet	Lumina	3.1L	V6	N/A
2001	Chevrolet	Monte Carlo	3.4L	V6	N/A
2001	Oldsmobile	Alero	3.4L	V6	N/A
2001	Oldsmobile	Silhouette	3.4L	V6	N/A
2001	Pontiac	Grand Prix	3.1L	V6	N/A
2000	Buick	Century	3.1L	V6	N/A
2000	Chevrolet	Impala	3.4L	V6	N/A
2000	Chevrolet	Lumina	3.1L	V6	N/A
2000	Chevrolet	Monte Carlo	3.4L	V6	N/A
2000	Oldsmobile	Silhouette	3.4L	V6	N/A
2000	Pontiac	Grand Prix	3.1L	V6	N/A
1999	Buick	Century	3.1L	V6	N/A
1999	Chevrolet	Cavalier	2.4L	L4	N/A
1999	Chevrolet	Lumina	3.1L	V6	N/A
1999	Chevrolet	Monte Carlo	3.1L	V6	N/A
1999	Oldsmobile	Cutlass	3.1L	V6	N/A
1999	Pontiac	Grand Am	2.4L	L4	N/A
1999	Pontiac	Trans Sport	3.4L	V6	N/A
1998	Buick	Century	3.1L	V6	N/A
1998	Chevrolet	Cavalier	2.4L	L4	N/A
1998	Chevrolet	Lumina	3.1L	V6	N/A
1998	Chevrolet	Monte Carlo	3.1L	V6	N/A
1998	Oldsmobile	Achieva	3.1L	V6	N/A
1997	Buick	Century	3.1L	V6	N/A
1997	Buick	Regal	3.8L	V6	N/A
1997	Chevrolet	Cavalier	2.2L	L4	N/A
1997	Chevrolet	Cavalier	2.4L	L4	N/A
1997	Chevrolet	Lumina	3.4L	V6	N/A
1997	Chevrolet	Lumina	3.1L	V6	N/A
1997	Chevrolet	Monte Carlo	3.1L	V6	N/A
1997	Chevrolet	Monte Carlo	3.4L	V6	N/A
1997	Oldsmobile	Cutlass	3.1L	V6	N/A
1997	Oldsmobile	Cutlass Supreme	3.1L	V6	N/A
1997	Oldsmobile	Silhouette	3.4L	V6	N/A
1997	Pontiac	Grand Prix	3.1L	V6	N/A
1996	Buick	Century	3.1L	V6	N/A
1996	Buick	Regal	3.8L	V6	N/A
1996	Buick	Riviera	3.8L	V6	N/A
1996	Chevrolet	Cavalier	2.2L	L4	N/A
1996	Chevrolet	Cavalier	2.4L	L4	N/A
1996	Chevrolet	Lumina	3.1L	V6	N/A
1996	Chevrolet	Monte Carlo	3.1L	V6	N/A
1996	Oldsmobile	Cutlass Ciera	2.2L	L4	N/A
1996	Oldsmobile	Cutlass Ciera	3.1L	V6	N/A
1996	Oldsmobile	Cutlass Supreme	3.1L	V6	N/A
1996	Oldsmobile	Cutlass Supreme	3.4L	V6	N/A
1996	Oldsmobile	LSS	3.8L	V6	N/A
1996	Oldsmobile	Silhouette	3.4L	V6	N/A
1996	Pontiac	Grand Am	2.4L	L4	N/A
1996	Pontiac	Grand Prix	3.1L	V6	N/A
1995	Buick	Century	3.1L	V6	N/A
1995	Buick	Regal	3.1L	V6	N/A
1995	Buick	Riviera	3.8L	V6	N/A
1995	Buick	Skylark	2.3L	L4	N/A
1995	Chevrolet	Cavalier	2.2L	L4	N/A
1995	Chevrolet	Cavalier	2.3L	L4	N/A
1995	Chevrolet	Lumina	3.1L	V6	N/A
1995	Chevrolet	Lumina APV	3.1L	V6	N/A
1995	Chevrolet	Monte Carlo	3.1L	V6	N/A
1995	Oldsmobile	Achieva	3.1L	V6	N/A
1995	Oldsmobile	Cutlass Ciera	2.2L	L4	N/A
1995	Oldsmobile	Cutlass Ciera	3.1L	V6	N/A
1995	Oldsmobile	Cutlass Supreme	3.1L	V6	N/A
1995	Oldsmobile	Cutlass Supreme	3.4L	V6	N/A
1995	Oldsmobile	Silhouette	3.8L	V6	N/A
1995	Pontiac	Grand Prix	3.1L	V6	N/A
1995	Pontiac	Trans Sport	3.1L	V6	N/A
1994	Buick	Century	3.1L	V6	N/A
1994	Buick	Regal	3.1L	V6	N/A
1994	Buick	Skylark	2.3L	L4	N/A
1994	Chevrolet	Cavalier	2.2L	L4	N/A
1994	Chevrolet	Cavalier	3.1L	V6	N/A
1994	Chevrolet	Corsica	2.2L	L4	N/A
1994	Chevrolet	Lumina APV	3.1L	V6	N/A
1994	Oldsmobile	Achieva	2.3L	L4	N/A
1994	Oldsmobile	Achieva	3.1L	V6	N/A
1994	Oldsmobile	Cutlass Ciera	2.2L	L4	N/A
1994	Oldsmobile	Cutlass Ciera	3.1L	V6	N/A
1994	Oldsmobile	Cutlass Cruiser	3.1L	V6	N/A
1994	Oldsmobile	Cutlass Supreme	3.1L	V6	N/A
1994	Oldsmobile	Cutlass Supreme	3.4L	V6	N/A
1994	Oldsmobile	Silhouette	3.8L	V6	N/A
1994	Oldsmobile	Silhouette	3.1L	V6	N/A
1994	Pontiac	Grand Am	2.3L	L4	N/A
1994	Pontiac	Grand Prix	3.1L	V6	N/A
1994	Pontiac	Trans Sport	3.1L	V6	N/A
1993	Buick	Regal	3.1L	V6	N/A
1993	Chevrolet	Cavalier	2.2L	L4	N/A
1993	Chevrolet	Cavalier	3.1L	V6	N/A
1993	Chevrolet	Corsica	2.2L	L4	N/A
1993	Chevrolet	Lumina	3.1L	V6	N/A
1993	Chevrolet	Lumina	3.4L	V6	N/A
1993	Chevrolet	Lumina APV	3.1L	V6	N/A
1993	Oldsmobile	Achieva	2.3L	L4	N/A
1993	Oldsmobile	Cutlass Ciera	2.2L	L4	N/A
1993	Oldsmobile	Cutlass Supreme	3.1L	V6	N/A
1993	Oldsmobile	Cutlass Supreme	3.4L	V6	N/A
1993	Oldsmobile	Silhouette	3.1L	V6	N/A
1993	Pontiac	Grand Am	2.3L	L4	N/A
1993	Pontiac	LeMans	1.6L	L4	N/A
1992	Buick	Century	2.5L	L4	N/A
1992	Buick	Regal	3.1L	V6	N/A
1992	Chevrolet	Cavalier	2.2L	L4	N/A
1992	Chevrolet	Cavalier	3.1L	V6	N/A
1992	Chevrolet	Corsica	2.2L	L4	N/A
1992	Chevrolet	Lumina	3.4L	V6	N/A
1992	Chevrolet	Lumina	3.1L	V6	N/A
1992	Chevrolet	Lumina APV	3.1L	V6	N/A
1992	Oldsmobile	Achieva	2.3L	L4	N/A
1992	Oldsmobile	Cutlass Ciera	2.5L	L4	N/A
1992	Oldsmobile	Cutlass Supreme	3.1L	V6	N/A
1992	Oldsmobile	Cutlass Supreme	3.4L	V6	N/A
1992	Oldsmobile	Silhouette	3.1L	V6	N/A
1992	Pontiac	Grand Am	2.3L	L4	N/A
1992	Pontiac	Grand Prix	3.4L	V6	N/A
1992	Pontiac	LeMans	1.6L	L4	N/A
1991	Buick	Century	2.5L	L4	N/A
1991	Buick	Regal	3.1L	V6	N/A
1991	Chevrolet	Cavalier	3.1L	V6	N/A
1991	Chevrolet	Cavalier	2.2L	L4	N/A
1991	Chevrolet	Corsica	2.2L	L4	N/A
1991	Chevrolet	Lumina	3.4L	V6	N/A
1991	Chevrolet	Lumina	3.1L	V6	N/A
1991	Oldsmobile	Cutlass Calais	2.5L	L4	N/A
1991	Oldsmobile	Cutlass Calais	2.3L	L4	N/A
1991	Oldsmobile	Cutlass Ciera	2.5L	L4	N/A
1991	Oldsmobile	Cutlass Supreme	3.1L	V6	N/A
1991	Oldsmobile	Cutlass Supreme	3.4L	V6	N/A
1991	Oldsmobile	Cutlass Supreme	2.3L	L4	N/A
1991	Pontiac	Grand Am	2.3L	L4	N/A
1991	Pontiac	Grand Prix	2.3L	L4	N/A
1991	Pontiac	Grand Prix	3.4L	V6	N/A
1991	Pontiac	LeMans	1.6L	L4	N/A
1990	Buick	Century	2.5L	L4	N/A
1990	Buick	Skylark	2.3L	L4	N/A
1990	Chevrolet	Cavalier	3.1L	V6	N/A
1990	Chevrolet	Cavalier	2.2L	L4	N/A
1990	Chevrolet	Corsica	2.2L	L4	N/A
1990	Chevrolet	Lumina	3.1L	V6	N/A
1990	Oldsmobile	Cutlass Calais	2.5L	L4	N/A
1990	Oldsmobile	Cutlass Calais	2.3L	L4	N/A
1990	Oldsmobile	Cutlass Ciera	2.5L	L4	N/A
1990	Oldsmobile	Cutlass Supreme	2.3L	L4	N/A
1990	Oldsmobile	Cutlass Supreme	3.1L	V6	N/A
1990	Pontiac	Grand Am	2.3L	L4	N/A
1990	Pontiac	Grand Prix	2.3L	L4	N/A
1990	Pontiac	LeMans	2.0L	L4	N/A
1990	Pontiac	LeMans	1.6L	L4	N/A
1989	Buick	Century	2.8L	V6	N/A
1989	Buick	Century	2.5L	L4	N/A
1989	Buick	Regal	3.1L	V6	N/A
1989	Oldsmobile	Cutlass Calais	2.5L	L4	N/A
1989	Oldsmobile	Cutlass Calais	3.3L	V6	N/A
1989	Oldsmobile	Cutlass Ciera	2.5L	L4	N/A
1989	Oldsmobile	Cutlass Cruiser	2.8L	V6	N/A
1989	Oldsmobile	Cutlass Supreme	2.8L	V6	N/A
1989	Pontiac	Grand Am	2.0L	L4	N/A
1989	Pontiac	Grand Am	2.3L	L4	N/A
1989	Pontiac	LeMans	2.0L	L4	N/A
1989	Pontiac	LeMans	1.6L	L4	N/A
1988	Buick	Century	2.8L	V6	N/A
1988	Buick	Century	2.5L	L4	N/A
1988	Oldsmobile	Cutlass Calais	2.5L	L4	N/A
1988	Oldsmobile	Cutlass Calais	3.0L	V6	N/A
1988	Oldsmobile	Cutlass Ciera	3.8L	V6	N/A
1988	Oldsmobile	Cutlass Ciera	2.5L	L4	N/A
1988	Oldsmobile	Cutlass Cruiser	3.8L	V6	N/A
1988	Oldsmobile	Cutlass Supreme	2.8L	V6	N/A
1988	Pontiac	Grand Am	2.0L	L4	N/A
1988	Pontiac	Grand Am	2.3L	L4	N/A
1988	Pontiac	LeMans	1.6L	L4	N/A
1987	Buick	Century	2.8L	V6	N/A
1987	Buick	Century	2.5L	L4	N/A
1987	Oldsmobile	Calais	3.0L	V6	N/A
1987	Oldsmobile	Cutlass Ciera	3.8L	V6	N/A
1987	Oldsmobile	Cutlass Ciera	2.5L	L4	N/A
1987	Oldsmobile	Cutlass Cruiser	3.8L	V6	N/A
1987	Oldsmobile	Firenza	2.0L	L4	N/A
1987	Pontiac	Grand Am	2.0L	L4	N/A
1986	Buick	Century	2.8L	V6	N/A
1986	Buick	Century	2.5L	L4	N/A
1986	Buick	LeSabre	3.0L	V6	N/A
1986	Oldsmobile	Calais	3.0L	V6	N/A
1986	Oldsmobile	Cutlass Ciera	3.8L	V6	N/A
1986	Oldsmobile	Cutlass Ciera	2.5L	L4	N/A
1986	Oldsmobile	Delta 88	3.0L	V6	N/A
1986	Oldsmobile	Firenza	2.0L	L4	N/A
1986	Oldsmobile	Firenza	1.8L	L4	N/A
1985	Buick	Century	3.0L	V6	N/A
1985	Buick	Century	2.5L	L4	N/A
1985	Oldsmobile	98	3.0L	V6	N/A
1985	Oldsmobile	Calais	3.0L	V6	N/A
1985	Oldsmobile	Cutlass Ciera	3.0L	V6	N/A
1985	Oldsmobile	Cutlass Ciera	2.5L	L4	N/A
1985	Oldsmobile	Firenza	2.0L	L4	N/A
1985	Oldsmobile	Firenza	1.8L	L4	N/A
1985	Pontiac	J2000 Sunbird	2.0L	L4	N/A
1985	Pontiac	J2000 Sunbird	1.8L	L4	N/A
1984	Buick	Century	3.0L	V6	N/A
1984	Buick	Century	2.5L	L4	N/A
1984	Oldsmobile	Cutlass Ciera	3.0L	V6	N/A
1984	Oldsmobile	Cutlass Ciera	2.5L	L4	N/A
1984	Oldsmobile	Firenza	2.0L	L4	N/A
1984	Oldsmobile	Firenza	1.8L	L4	N/A
1984	Oldsmobile	Omega	2.8L	V6	N/A
1984	Pontiac	J2000 Sunbird	2.0L	L4	N/A
1984	Pontiac	J2000 Sunbird	1.8L	L4	N/A
1984	Pontiac	Phoenix	2.8L	V6	N/A
1983	Buick	Century	3.0L	V6	N/A
1983	Oldsmobile	Cutlass Ciera	3.0L	V6	N/A
1983	Oldsmobile	Firenza	2.0L	L4	N/A
1983	Oldsmobile	Firenza	1.8L	L4	N/A
1983	Oldsmobile	Omega	2.8L	V6	N/A
1983	Pontiac	J2000	2.0L	L4	N/A
1983	Pontiac	J2000	1.8L	L4	N/A
1983	Pontiac	Phoenix	2.8L	V6	N/A
1982	Buick	Century	3.0L	V6	N/A
1982	Oldsmobile	Cutlass Ciera	3.0L	V6	N/A
1982	Oldsmobile	Firenza	1.8L	L4	N/A
1982	Oldsmobile	Omega	2.8L	V6	N/A
1982	Pontiac	J2000	1.8L	L4	N/A
1982	Pontiac	Phoenix	2.8L	V6	N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.