1983 Bentley Mulsanne Automatic Transmission Parts

Engine:

Showing parts for every engine. Select an engine to see only what fits.

This page lists 53 automatic transmission parts for the 1983 Bentley Mulsanne, across 22 part types, covering both the 6.8L V8 and the 6.8L V8 Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.

The automatic transmission on the 1983 Bentley Mulsanne covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. The largest groups are Extension Housing Seal (5 parts), Fluid Pan Gasket (5 parts) and Governor / Modulator (5 parts). The other 19 part types cover the remaining 38 parts.

Band

Brand Part Number Markets Notes Buy
ATP Fits: all 1983 Mulsanne engines JX58
🇺🇸 US 🇨🇦 CA
Front
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ATP Fits: all 1983 Mulsanne engines JX60
🇺🇸 US 🇨🇦 CA
Reverse
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PIONEER Fits: all 1983 Mulsanne engines 767043
🇺🇸 US 🇨🇦 CA
Front
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PIONEER Fits: all 1983 Mulsanne engines 767017
🇺🇸 US 🇨🇦 CA
Reverse
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This table covers the apply bands inside the automatic transmission.

Bushing Kit

Brand Part Number Markets Notes Buy
DURA-BOND Fits: all 1983 Mulsanne engines TK54
🇺🇸 US 🇨🇦 CA
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DURA-BOND Fits: all 1983 Mulsanne engines TK54HP
🇺🇸 US 🇨🇦 CA
High Performance Kit
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This table covers the Bushing kits.

Center Support Bushing

Brand Part Number Markets Notes Buy
DURA-BOND Fits: all 1983 Mulsanne engines 02101
🇺🇸 US 🇨🇦 CA
Center Support
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This table covers the Center Support bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.

Dipstick / Fluid Filler Tube Seal

Brand Part Number Markets Notes Buy
ATP Fits: 6.8L V8 Turbocharged JO16
🇺🇸 US 🇨🇦 CA
Intake Filler Tube To CaseElectrical Connector
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PIONEER Fits: 6.8L V8 Turbocharged 762008
🇺🇸 US 🇨🇦 CA
Intake Filler Tube To CaseElectrical Connector
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This table covers the seals at the Dipstick / Fluid Filler Tube. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Extension Housing Seal

Brand Part Number Markets Notes Buy
NATIONAL Popular Fits: 6.8L V8 Turbocharged 9449
🇺🇸 US 🇨🇦 CA
General Motors trans.
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BCA Fits: 6.8L V8 Turbocharged NS9449
🇺🇸 US 🇨🇦 CA
External Markings: 1.890 X 2.700 X 0.582
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SCHAEFFLER Fits: 6.8L V8 Turbocharged SS2960
🇺🇸 US 🇨🇦 CA
Type of construction: FmsaMetal, Spring, Auxiliary Lip
Fitment notes — SCHAEFFLER SS2960
Type of construction: FmsaMetal, Spring, Auxiliary Lip
with 1.886 In Shaft
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WJB / INMOTION PARTS Fits: 6.8L V8 Turbocharged WS9449
🇺🇸 US 🇨🇦 CA
Width (In): 0.58199999999999996 In
Fitment notes — WJB / INMOTION PARTS WS9449
Width (In): 0.58199999999999996 In
General Motors trans.THM400 Transmission
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WJB / INMOTION PARTS Fits: 6.8L V8 Turbocharged WS5208
🇺🇸 US 🇨🇦 CA
Material: NitrileWidth (In): 1 in
Fitment notes — WJB / INMOTION PARTS WS5208
Material: NitrileWidth (In): 1 in
General Motors trans.with Extension Housing Diameter 1.9945 INTHM400 Transmission
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This table covers the seals at the Extension Housing. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Filter

Economy

Brand Part Number Markets Notes Buy
ATP Fits: 6.8L V8 Turbocharged TF29
🇺🇸 US 🇨🇦 CA
OE Replacement
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Standard Replacement

Brand Part Number Markets Notes Buy
ATP Fits: 6.8L V8 Turbocharged B29
🇺🇸 US 🇨🇦 CA
Includes: (1) Gasket, (1) ScreenPremium Replacement
Fitment notes — ATP B29
Includes: (1) Gasket, (1) ScreenPremium ReplacementDacron media filterWith 3rd Hand Gasket
25"
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PIONEER Fits: 6.8L V8 Turbocharged 745041
🇺🇸 US 🇨🇦 CA
Includes (1) Gasket, (1) Screen
Fitment notes — PIONEER 745041
Includes (1) Gasket, (1) Screen
Media: Dacron Media filterLength: 11.8125"
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This table covers the replacement filters for this application — the table heading and notes say which circuit. Typical signs include restricted flow — long cranking, weak airflow, or dirty fluid after a short interval. Seat the new filter so it cannot bypass, and use the grade the notes call for.

Fluid Pan Gasket

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: 6.8L V8 Turbocharged TOS18621
🇺🇸 US 🇨🇦 CA
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MAHLE / CLEVITE Fits: 6.8L V8 Turbocharged W39341
🇺🇸 US 🇨🇦 CA
Cork-RubberAutomatic Transmission Oil Pan Gasket
Fitment notes — MAHLE / CLEVITE W39341
Cork-RubberAutomatic Transmission Oil Pan Gasket
with 13 Bolt Holes
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MAHLE / CLEVITE Fits: 6.8L V8 Turbocharged W39341TC
🇺🇸 US 🇨🇦 CA
Cork with Metal CarrierAutomatic Transmission Oil Pan Gasket
Fitment notes — MAHLE / CLEVITE W39341TC
Cork with Metal CarrierAutomatic Transmission Oil Pan Gasket
with 13 Bolt Holes
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VICTOR REINZ Fits: 6.8L V8 Turbocharged 711493800
🇺🇸 US 🇨🇦 CA
13 Bolt
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VICTOR REINZ Fits: 6.8L V8 Turbocharged 711989300
🇺🇸 US 🇨🇦 CA
Enhanced Design
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This table covers the gaskets that seal the Fluid Pan. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.

Fluid Pump Bushing

Brand Part Number Markets Notes Buy
DURA-BOND Fits: 6.8L V8 Turbocharged 44034
🇺🇸 US 🇨🇦 CA
Pump body
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DURA-BOND Fits: 6.8L V8 Turbocharged 44034TG
🇺🇸 US 🇨🇦 CA
Dry Film Lubricated
Fitment notes — DURA-BOND 44034TG
Dry Film Lubricated
Pump BodyDry Film Lubricant
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This table covers the Fluid Pump bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.

Fluid Pump Repair Sleeve

Brand Part Number Markets Notes Buy
BCA Fits: 6.8L V8 Turbocharged NS88187
🇺🇸 US 🇨🇦 CA
Frontwith THM400 Transmission Code
Fitment notes — BCA NS88187
Frontwith THM400 Transmission CodeGeneral Motors Transmission
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NATIONAL Fits: 6.8L V8 Turbocharged 99187
🇺🇸 US 🇨🇦 CA
General Motors trans.
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WJB / INMOTION PARTS Fits: 6.8L V8 Turbocharged WS99187
🇺🇸 US 🇨🇦 CA
FrontGeneral Motors trans.
Fitment notes — WJB / INMOTION PARTS WS99187
FrontGeneral Motors trans.THM400 Transmission
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This table covers the precision wear sleeves used to restore a transmission pump seal surface.

Fluid Pump Seal

Brand Part Number Markets Notes Buy
BCA Fits: 6.8L V8 Turbocharged NS6712NA
🇺🇸 US 🇨🇦 CA
Front
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NATIONAL Fits: 6.8L V8 Turbocharged 6712NA
🇺🇸 US 🇨🇦 CA
FrontGeneral Motors trans.
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WJB / INMOTION PARTS Fits: 6.8L V8 Turbocharged WS6712NA
🇺🇸 US 🇨🇦 CA
FrontGeneral Motors trans.
Fitment notes — WJB / INMOTION PARTS WS6712NA
FrontGeneral Motors trans.THM400 Transmission
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This table covers the seals at the Fluid Pump. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Governor / Modulator

Brand Part Number Markets Notes Buy
ATP Popular Fits: 6.8L V8 Turbocharged JX76
🇺🇸 US 🇨🇦 CA
Adjustable 12-19.5 - EDA 2.48 - Black/Red - with EGR
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PIONEER Fits: 6.8L V8 Turbocharged 747024
🇺🇸 US 🇨🇦 CA
Adjustable 12-19.5EDA 2.48
Fitment notes — PIONEER 747024
Adjustable 12-19.5EDA 2.48Black/Redwith EGR
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ROSTRA Fits: 6.8L V8 Turbocharged 510017
🇺🇸 US 🇨🇦 CA
Dual Red Stripe Modulator
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ROSTRA Fits: 6.8L V8 Turbocharged 510020
🇺🇸 US 🇨🇦 CA
ModulatorBlack & Red Stripe
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ROSTRA Fits: 6.8L V8 Turbocharged 510062
🇺🇸 US 🇨🇦 CA
Single Red StripeAdjustable Modulator
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This table covers the governors and modulators that control transmission shift pressure.

Kickdown Solenoid

Brand Part Number Markets Notes Buy
ROSTRA Fits: 6.8L V8 Turbocharged 520604
🇺🇸 US 🇨🇦 CA
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This table covers the Kickdown solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid.

Manual Shaft Seal

Brand Part Number Markets Notes Buy
NATIONAL Fits: 6.8L V8 Turbocharged 8792S
🇺🇸 US 🇨🇦 CA
General Motors trans.
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WJB / INMOTION PARTS Fits: 6.8L V8 Turbocharged WS8792S
🇺🇸 US 🇨🇦 CA
General Motors trans.THM400 Transmission
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This table covers the seals at the Manual Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Output Shaft Bushing

Brand Part Number Markets Notes Buy
DURA-BOND Fits: 6.8L V8 Turbocharged 8624988
🇺🇸 US 🇨🇦 CA
Output Shaft (Narrow)
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This table covers the Output Shaft bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.

Output Shaft Seal

Brand Part Number Markets Notes Buy
SCHAEFFLER Fits: 6.8L V8 Turbocharged SS2962
🇺🇸 US 🇨🇦 CA
Seal KitType of Construction: FM
Fitment notes — SCHAEFFLER SS2962
Seal KitType of Construction: FMMetal
with 1.886 In Shaft
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This table covers the seals at the Output Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Rebuild Kit

Deluxe Kit (Master Kit + Filter, Band & Common Bushings)

Brand Part Number Markets Notes Buy
PIONEER Fits: 6.8L V8 Turbocharged 753024
🇺🇸 US 🇨🇦 CA
Includes: All paper gaskets, Pan gasket, Rubber O rings, Rubber Lip seals, metal clad seals, sealing rings, Friction Clutch plates, Steel Clutch Plates, Filter, Front & Rear Bushings, 2 Bands,and Modulator.PLUS Kit
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Master Kit (Overhaul Kit + Friction & Steel Clutch Plates)

Brand Part Number Markets Notes Buy
ATP Fits: 6.8L V8 Turbocharged JMS9
🇺🇸 US 🇨🇦 CA
Includes: All paper gaskets, Pan gasket, Rubber O rings, Rubber Lip seals, metal clad seals, sealing rings, Friction Clutch plates, Steel Clutch Plates, Filter, Front & Rear Bushings, 2 Bands,and Modulator.PLUS Kit
Fitment notes — ATP JMS9
Includes: All paper gaskets, Pan gasket, Rubber O rings, Rubber Lip seals, metal clad seals, sealing rings, Friction Clutch plates, Steel Clutch Plates, Filter, Front & Rear Bushings, 2 Bands,and Modulator.PLUS KitContains Friction and Steel Clutch Plates, Gaskets, Seals, O'Rings, Sealing Rings, PLUS Oil Filter, Vacuum Modulator, Front Pump Bushing, and Extension Housing Bushing
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Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings)

Brand Part Number Markets Notes Buy
TRANSTEC Fits: 6.8L V8 Turbocharged 81000348
🇺🇸 US 🇨🇦 CA
without PistonsDuraprene Pan Gasket
Fitment notes — TRANSTEC 81000348
without PistonsDuraprene Pan Gasket
TurboTH400, 375, 475 (3L80)3 Speed
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This table covers the rebuild kits for this assembly.

Shift Improvement Kit

Daily Driver

Brand Part Number Markets Notes Buy
TRANSGO Fits: 6.8L V8 Turbocharged SK400
🇺🇸 US 🇨🇦 CA
Shift KitFor 400 Transmissions
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High Performance

Brand Part Number Markets Notes Buy
TRANSGO Fits: 6.8L V8 Turbocharged 40012
🇺🇸 US 🇨🇦 CA
Reprogramming KitWith Gear Command
Fitment notes — TRANSGO 40012
Reprogramming KitWith Gear CommandFor 400 Transmissions
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TRANSGO Fits: 6.8L V8 Turbocharged 4003
🇺🇸 US 🇨🇦 CA
Reprogramming KitWith Manual Shift Control
Fitment notes — TRANSGO 4003
Reprogramming KitWith Manual Shift ControlFor 400 Transmissions
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TRANSGO Fits: 6.8L V8 Turbocharged 400PRO
🇺🇸 US 🇨🇦 CA
Reprogramming KitWith Gear Command
Fitment notes — TRANSGO 400PRO
Reprogramming KitWith Gear CommandFor 400 TransmissionsIncludes 2-3 Aluminum Accumulator Piston
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This table covers the Shift Improvement kits.

Shift Shaft Seal

Brand Part Number Markets Notes Buy
ACDELCO Fits: 6.8L V8 Turbocharged 8792S
🇺🇸 US 🇨🇦 CA
Gold
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SCHAEFFLER Fits: 6.8L V8 Turbocharged SS2114
🇺🇸 US 🇨🇦 CA
4.75 mm WidthNitrile
Fitment notes — SCHAEFFLER SS2114
4.75 mm WidthNitrile12.7 mm Shaft Diameter
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This table covers the seals at the Shift Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Stator Support Shaft Bushing

Brand Part Number Markets Notes Buy
DURA-BOND Fits: 6.8L V8 Turbocharged 8623944
🇺🇸 US 🇨🇦 CA
Stator Support (Front & Rear), Sun Gear Shaft (Front & Rear)Bronze
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This table covers the Stator Support Shaft bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.

Torque Converter

Brand Part Number Markets Notes Buy
TC REMANUFACTURING Fits: 6.8L V8 Turbocharged B3
🇺🇸 US
Standard Stator, 3 Mounting PadsMedium Stall
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This table covers the Torque converters. Typical signs include a sulfur smell, rattling substrate, or an efficiency code. Confirm CARB vs Federal certification in the notes before ordering.

Torque Converter Repair Sleeve

Brand Part Number Markets Notes Buy
SCHAEFFLER Fits: 6.8L V8 Turbocharged SR3506
🇺🇸 US 🇨🇦 CA
0.531 In Width1.875 In Inside Diameter
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This table covers the wear sleeves used to restore a Torque Converter seal surface.

Torque Converter Shaft Seal

Brand Part Number Markets Notes Buy
SCHAEFFLER Fits: 6.8L V8 Turbocharged SS2912
🇺🇸 US 🇨🇦 CA
2.76" O.D. X 0.43" Width
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This table covers the seals at the Torque Converter Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Buying Automatic Transmission Parts for a 1983 Bentley Mulsanne

On this vehicle, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts.

  • Match the engine first. Some automatic transmission parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
  • Read the notes on each row for position, trim and spec qualifiers before you order.
  • Where labor overlaps, replace the filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.
  • Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Extension Housing Seal and Fluid Pan Gasket .

Frequently Asked Questions

How many automatic transmission parts fit the 1983 Bentley Mulsanne?

Our catalog currently lists 53 automatic transmission parts for the 1983 Bentley Mulsanne across 22 subcategories and 15 brands, covering both the 6.8L V8 and the 6.8L V8 Turbocharged. Each part is matched to the engine(s) it fits.

Do automatic transmission parts differ between 1983 Bentley Mulsanne engines?

Some do. 7 parts fit every engine; the other 46 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.

What are the signs of automatic transmission problems on a 1983 Bentley Mulsanne?

Common symptoms include delayed or harsh engagement, slipping under load, fluid that smells burnt, or shuddering at light throttle around 40 mph. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.

What should I replace at the same time?

Where labor overlaps, replace the filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.

What do the market flags (US, CA, MX) on each part mean?

They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 1983 Bentley Mulsanne was originally sold in the US, the safest choice is a part marked for the US market.

How do I make sure a part fits my 1983 Bentley Mulsanne?

First match the engine — each row shows which engine(s) the part fits. Then use exactly the fluid specification in the notes — automatic transmissions are the least forgiving component on the vehicle about fluid choice. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 1983 Bentley Mulsanne

Automatic Transmission Parts for Other Bentley Mulsanne Years

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