The 2018 Bentley Mulsanne has 28 automatic transmission parts with verified fitment on this page — 10 part types and 8 brands, covering the 6.8L V8 Turbocharged engine. Each part includes a manufacturer part number and application notes.
The automatic transmission on the 2018 Bentley Mulsanne covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. The largest groups are Transmission Fluid (8 parts), Transmission Fluid Additive (6 parts) and Clutch Plate Pack (3 parts). The other 7 part types cover the remaining 11 parts.
Every part on this page is matched to the 6.8L V8 Turbocharged — the only engine offered in the 2018 Bentley Mulsanne.
The most listed brands for 2018 Bentley Mulsanne automatic transmission parts are LUBEGARD (7 parts), RAYBESTOS POWERTRAIN (4 parts) and NATIONAL (4 parts), plus 5 more brands. Quality grades include Multi-Vehicle, ZF Fluid and Steel Plate Pack.
4 parts on this 2018 Bentley Mulsanne page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including LIQUI MOLY 20032 (Transmission Fluid) and LUBEGARD 19610 (Transmission Fluid Additive). Click any part number to see every vehicle that part fits.
Clutch Plate Pack
Friction Plate Pack
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| RAYBESTOS POWERTRAIN | RGPZ020 | 🇺🇸 US 🇨🇦 CA | GPZ Clutch Pack Module | View on Amazon |
Steel Plate Pack
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| RAYBESTOS POWERTRAIN | STMZF22 | 🇺🇸 US 🇨🇦 CA | Steel Module | View on Amazon |
| RAYBESTOS POWERTRAIN | STMZF22K | 🇺🇸 US 🇨🇦 CA | Steel Module | View on Amazon |
This table covers the clutch-plate packs inside the transmission or transfer case.
3 Clutch Plate Pack parts for the 2018 Bentley Mulsanne come from RAYBESTOS POWERTRAIN.
In the Friction Plate Pack grade, RAYBESTOS POWERTRAIN supplies 1 part: grouped under the catalog's "Friction Plate Pack" designation — the notes column spells out what sets them apart. A representative part number is RAYBESTOS POWERTRAIN RGPZ020.
The Steel Plate Pack section lists 2 options from RAYBESTOS POWERTRAIN — grouped under the catalog's "Steel Plate Pack" designation — the notes column spells out what sets them apart. RAYBESTOS POWERTRAIN STMZF22 is listed in this group.
Part numbers include RAYBESTOS POWERTRAIN RGPZ020, RAYBESTOS POWERTRAIN STMZF22 and RAYBESTOS POWERTRAIN STMZF22K.
Extension Housing Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL | 710487 | 🇺🇸 US 🇨🇦 CA | ZF Trans. | View on Amazon |
| WJB / INMOTION PARTS | WS710487 | 🇺🇸 US 🇨🇦 CA | ZF Trans. | View on Amazon |
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.
2 Extension Housing Seal parts are listed for the 2018 Bentley Mulsanne, from NATIONAL and WJB / INMOTION PARTS.
Part numbers include NATIONAL 710487 and WJB / INMOTION PARTS WS710487.
Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| RAYBESTOS POWERTRAIN | 515771 | 🇺🇸 US 🇨🇦 CA | Sump Filter | View on Amazon |
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.
This group shows a single part: RAYBESTOS POWERTRAIN 515771.
Fluid Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING | 534322 | 🇺🇸 US 🇨🇦 CA | with Trans.: ZF8HP90, 8HP90SW | View on Amazon |
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.
This group shows a single part: ELRING 534322.
Fluid Pump Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL | 710939 | 🇺🇸 US 🇨🇦 CA | FrontZF Trans. | View on Amazon |
| WJB / INMOTION PARTS | WS710939 | 🇺🇸 US 🇨🇦 CA | FrontZF Trans. | View on Amazon |
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.
2 Fluid Pump Seal parts are listed for the 2018 Bentley Mulsanne, from NATIONAL and WJB / INMOTION PARTS.
Part numbers include NATIONAL 710939 and WJB / INMOTION PARTS WS710939.
Manual Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL | 710780 | 🇺🇸 US 🇨🇦 CA | ZF Trans. | View on Amazon |
| WJB / INMOTION PARTS | WS710780 | 🇺🇸 US 🇨🇦 CA | ZF Trans. | View on Amazon |
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.
2 Manual Shaft Seal parts are listed for the 2018 Bentley Mulsanne, from NATIONAL and WJB / INMOTION PARTS.
This group includes NATIONAL 710780 and WJB / INMOTION PARTS WS710780.
O-Rings & Seals
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING | 490280 | 🇺🇸 US 🇨🇦 CA | In Transmission HousingTrans code. 8HP90/8HP90A | View on Amazon |
This table covers the O-rings and seals at this joint.
One part is listed for the 2018 Bentley Mulsanne — ELRING 490280.
Output Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL | 710671 | 🇺🇸 US 🇨🇦 CA | ZF Trans. | View on Amazon |
| WJB / INMOTION PARTS | WS710671 | 🇺🇸 US 🇨🇦 CA | ZF Trans. | View on Amazon |
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.
2 Output Shaft Seal parts for the 2018 Bentley Mulsanne come from 2 brands — NATIONAL and WJB / INMOTION PARTS.
This group includes NATIONAL 710671 and WJB / INMOTION PARTS WS710671.
Transmission Fluid
Multi-Vehicle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LIQUI MOLY Popular | 20032 | 🇺🇸 US 🇨🇦 CA | Top Tec ATF 18001 Liter | View on Amazon |
| LIQUI MOLY | 22036 | 🇺🇸 US 🇨🇦 CA | Top Tec ATF 18005 Liter | View on Amazon |
| LIQUI MOLY | 20034 | 🇺🇸 US 🇨🇦 CA | Top TEC ATF 180020 Liter | View on Amazon |
| LUBEGARD | 69032 | 🇺🇸 US 🇨🇦 CA | 1 QuartComplete Full Synthetic ATF Fluid | View on Amazon |
ZF Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ZF Popular | S671090312 | 🇺🇸 US 🇨🇦 CA | ZF Lifeguard Fluid 8includes 1 L Bottle | View on Amazon |
| PENTOSIN | 1058110 | 🇺🇸 US 🇨🇦 CA | 1 LiterATF8 | View on Amazon |
| PENTOSIN | 1058210 | 🇺🇸 US 🇨🇦 CA | 5 LitersATF8 | View on Amazon |
| ZF | S671090311 | 🇺🇸 US 🇨🇦 CA | ZF Lifeguard Fluid 8includes 20 L Can | View on Amazon |
This table covers the automatic-transmission fluids specified for this gearbox. Typical signs include harsh or delayed shifts, fluid that smells burnt, or a shudder at light throttle. Use exactly the specification in the notes. Automatic transmissions are unforgiving of the wrong fluid.
8 Transmission Fluid parts for the 2018 Bentley Mulsanne come from 4 brands — LIQUI MOLY, ZF, PENTOSIN and 1 other brand. The "Popular" part is LIQUI MOLY 20032.
The Multi-Vehicle section lists 4 options from LIQUI MOLY and LUBEGARD — grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. LIQUI MOLY 20032 is listed in this group.
The ZF Fluid section lists 4 options from ZF and PENTOSIN — grouped under the catalog's "ZF Fluid" designation — the notes column spells out what sets them apart. ZF S671090312 is listed in this group.
This group includes LIQUI MOLY 20032, LIQUI MOLY 22036 and LIQUI MOLY 20034 and the remaining parts above.
Transmission Fluid Additive
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LUBEGARD Popular | 19610 | 🇺🇸 US 🇨🇦 CA | Instant Shudder Fixx2 oz | View on Amazon |
| LUBEGARD Popular | 60902 | 🇺🇸 US 🇨🇦 CA | Automatic Transmission Fluid Protectant10 oz | View on Amazon |
| LUBEGARD | 19689 | 🇺🇸 US 🇨🇦 CA | Instant Shudder Fixx2 oz | View on Amazon |
| LUBEGARD | 63010 | 🇺🇸 US 🇨🇦 CA | Platinum Universal ATF Protectant10 oz | View on Amazon |
| LUBEGARD | 63016 | 🇺🇸 US 🇨🇦 CA | Platinum Universal ATF Protectant15 oz | View on Amazon |
| LUBEGARD | 63032 | 🇺🇸 US 🇨🇦 CA | Platinum Universal ATF Protectant32 oz | View on Amazon |
This table covers the conditioners and additives used with this transmission fluid.
6 Transmission Fluid Additive parts for the 2018 Bentley Mulsanne come from LUBEGARD. The "Popular" part is LUBEGARD 19610.
Listed part numbers: LUBEGARD 19610, LUBEGARD 60902 and LUBEGARD 19689, plus the other parts above.
Buying Automatic Transmission Parts for a 2018 Bentley Mulsanne
On this vehicle, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts.
- Confirm you have the 6.8L V8 Turbocharged engine — every part on this page is matched to it.
- 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: Transmission Fluid and Transmission Fluid Additive .
Frequently Asked Questions
How many automatic transmission parts fit the 2018 Bentley Mulsanne?
Our catalog currently lists 28 automatic transmission parts for the 2018 Bentley Mulsanne across 10 subcategories and 8 brands, covering the 6.8L V8 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of automatic transmission problems on a 2018 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 2018 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 2018 Bentley Mulsanne?
Every part on this page is matched to the 6.8L V8 Turbocharged engine. 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 2018 Bentley Mulsanne
Automatic Transmission Parts for Other Bentley Mulsanne Years
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