The 2018 Alfa Romeo Giulia has 52 automatic transmission parts with verified fitment on this page — 15 part types and 12 brands, covering both the 2.0L L4 Turbocharged and the 2.9L V6 Turbocharged. Each part includes a manufacturer part number and application notes.
On the 2018 Alfa Romeo Giulia, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. Most of the listed parts are Transmission Fluid (15 parts), Transmission Fluid Additive (6 parts) and Fluid Cooler Line / Hose (5 parts). The other 12 part types cover the remaining 26 parts.
The 2018 Alfa Romeo Giulia was sold with both the 2.0L L4 Turbocharged and the 2.9L V6 Turbocharged. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
12 brands supply automatic transmission parts for the 2018 Alfa Romeo Giulia, led by MOPAR (17 parts), LUBEGARD (7 parts) and RAYBESTOS POWERTRAIN (4 parts), plus 9 more brands. Quality grades include Multi-Vehicle, ZF Fluid and Steel Plate Pack.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2018 Alfa Romeo Giulia. 5 parts have it, including MOBIL 126505 (Transmission Fluid) and LUBEGARD 19610 (Transmission Fluid Additive). Each part number opens a page with every vehicle that part fits.
Clutch Plate Pack
Friction Plate Pack
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| RAYBESTOS POWERTRAIN Fits: 2.9L V6 Turbocharged | RGPZ284 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | GPZ Clutch Pack Module | View on Amazon |
Steel Plate Pack
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| RAYBESTOS POWERTRAIN Fits: 2.9L V6 Turbocharged | STMZF19 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Steel Module | View on Amazon |
| RAYBESTOS POWERTRAIN Fits: 2.9L V6 Turbocharged | STMZF19K | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Steel Module | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| RAYBESTOS POWERTRAIN Fits: 2.9L V6 Turbocharged | RHT96526 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HT Clutch Pack Module | View on Amazon |
This table covers the clutch-plate packs inside the transmission or transfer case.
RAYBESTOS POWERTRAIN supplies the 4 Clutch Plate Pack parts for the 2018 Alfa Romeo Giulia.
The Friction Plate Pack section lists 1 option from RAYBESTOS POWERTRAIN — grouped under the catalog's "Friction Plate Pack" designation — the notes column spells out what sets them apart. RAYBESTOS POWERTRAIN RGPZ284 is listed in this group.
In the Steel Plate Pack grade, RAYBESTOS POWERTRAIN supplies 2 parts: grouped under the catalog's "Steel Plate Pack" designation — the notes column spells out what sets them apart. A representative part number is RAYBESTOS POWERTRAIN STMZF19.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
This group includes RAYBESTOS POWERTRAIN RGPZ284, RAYBESTOS POWERTRAIN STMZF19 and RAYBESTOS POWERTRAIN STMZF19K and the remaining parts above.
Extension Housing Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: 2.9L V6 Turbocharged | 710487 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WJB / INMOTION PARTS Fits: 2.9L V6 Turbocharged | WS710487 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 for the 2018 Alfa Romeo Giulia come from 2 brands — NATIONAL and WJB / INMOTION PARTS.
Listed part numbers: NATIONAL 710487 and WJB / INMOTION PARTS WS710487.
Fluid Cooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.9L V6 Turbocharged | 68301403AA | 🇺🇸 US 🇨🇦 CA | Fits Twin Engine with Engine Stop-Start (ESS)Sedan/Quad Cab Short Wheelbase | View on Amazon |
| MOPAR Fits: 2.9L V6 Turbocharged | 68367796AA | 🇺🇸 US 🇨🇦 CA | Twin Engine with Engine Stop-Start (ESS)Sedan/Quad Cab Short Wheelbase | View on Amazon |
This table covers the heat exchangers that cool transmission fluid. Typical signs include fluid that overheats, a leak at the cooler fittings, or milky fluid that says coolant and ATF have mixed. Flush the lines when you replace a cooler. Cross-contamination is how a small leak becomes a transmission job.
MOPAR supplies both parts for the 2018 Alfa Romeo Giulia.
Listed part numbers: MOPAR 68301403AA and MOPAR 68367796AA.
Fluid Cooler Line / Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.9L V6 Turbocharged | 68316649AA | 🇺🇸 US 🇨🇦 CA | Twin Engine with Engine Stop-Start (ESS)Sedan/Quad Cab Short Wheelbase | View on Amazon |
| MOPAR Fits: 2.9L V6 Turbocharged | 68364946AA | 🇺🇸 US 🇨🇦 CA | Twin Engine with Engine Stop-Start (ESS)Sedan/Quad Cab Short Wheelbase | View on Amazon |
| MOPAR Fits: 2.9L V6 Turbocharged | 68367771AA | 🇺🇸 US 🇨🇦 CA | Twin Engine with Engine Stop-Start (ESS)Sedan/Quad Cab Short Wheelbase | View on Amazon |
| MOPAR Fits: 2.9L V6 Turbocharged | 68367772AA | 🇺🇸 US 🇨🇦 CA | Twin Engine with Engine Stop-Start (ESS)Sedan/Quad Cab Short Wheelbase | View on Amazon |
| MOPAR Fits: 2.9L V6 Turbocharged | 68367797AA | 🇺🇸 US 🇨🇦 CA | Twin Engine with Engine Stop-Start (ESS)Sedan/Quad Cab Short Wheelbase | View on Amazon |
This table covers the Fluid Cooler Line hoses. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle.
MOPAR supplies the 5 Fluid Cooler Line / Hose parts for the 2018 Alfa Romeo Giulia.
Listed part numbers: MOPAR 68316649AA, MOPAR 68364946AA and MOPAR 68367771AA, plus the other parts above.
Fluid Cooler Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.9L V6 Turbocharged | 68367777AA | 🇺🇸 US 🇨🇦 CA | Twin Engine with Engine Stop-Start (ESS)Sedan/Quad Cab Short Wheelbase | View on Amazon |
This table covers the Fluid Cooler mounts. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes.
This group shows a single part: MOPAR 68367777AA.
Fluid Pan
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HENGST Fits: 2.9L V6 Turbocharged | HG115HD846 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| MOPAR Fits: 2.9L V6 Turbocharged | 68353862AA | 🇺🇸 US 🇨🇦 CA | Includes Filter | View on Amazon |
This table covers the pans that hold automatic-transmission fluid.
2 Fluid Pan parts for the 2018 Alfa Romeo Giulia come from 2 brands — HENGST and MOPAR.
Listed part numbers: HENGST HG115HD846 and MOPAR 68353862AA.
Fluid Pump Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.9L V6 Turbocharged | 68332459AA | 🇺🇸 US 🇨🇦 CA | Fits Twin Engine with Engine Stop-Start (ESS)Sedan/Quad Cab Short Wheelbase | View on Amazon |
| NATIONAL Fits: 2.9L V6 Turbocharged | 710939 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | FrontZF Trans. | View on Amazon |
| WJB / INMOTION PARTS Fits: 2.9L V6 Turbocharged | WS710939 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
3 Fluid Pump Seal parts for the 2018 Alfa Romeo Giulia come from 3 brands — MOPAR, NATIONAL and WJB / INMOTION PARTS.
Part numbers include MOPAR 68332459AA, NATIONAL 710939 and WJB / INMOTION PARTS WS710939.
Manual Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: 2.9L V6 Turbocharged | 710780 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | ZF Trans. | View on Amazon |
| WJB / INMOTION PARTS Fits: 2.9L V6 Turbocharged | WS710780 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 for the 2018 Alfa Romeo Giulia come from 2 brands — NATIONAL and WJB / INMOTION PARTS.
Listed part numbers: NATIONAL 710780 and WJB / INMOTION PARTS WS710780.
Output Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.9L V6 Turbocharged | 68315251AA | 🇺🇸 US 🇨🇦 CA | RearRight | View on Amazon |
| MOPAR Fits: 2.9L V6 Turbocharged | 68315371AA | 🇺🇸 US 🇨🇦 CA | LeftRear | View on Amazon |
| MOPAR Fits: 2.9L V6 Turbocharged | 68368708AA | 🇺🇸 US 🇨🇦 CA | RearRight | View on Amazon |
| MOPAR Fits: 2.9L V6 Turbocharged | 68368810AA | 🇺🇸 US 🇨🇦 CA | LeftRear | View on Amazon |
This table covers the Output shafts.
4 Output Shaft parts for the 2018 Alfa Romeo Giulia come from MOPAR.
Part numbers include MOPAR 68315251AA, MOPAR 68315371AA and MOPAR 68368708AA, among others listed above.
Output Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: 2.9L V6 Turbocharged | 710671 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | ZF Trans. | View on Amazon |
| WJB / INMOTION PARTS Fits: 2.9L V6 Turbocharged | WS710671 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 are listed for the 2018 Alfa Romeo Giulia, from NATIONAL and WJB / INMOTION PARTS.
Part numbers include NATIONAL 710671 and WJB / INMOTION PARTS WS710671.
Torque Converter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.9L V6 Turbocharged | 68353861AA | 🇺🇸 US 🇨🇦 CA | Twin Engine with Engine Stop-Start (ESS)Sedan/Quad Cab Short Wheelbase | View on Amazon |
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.
One part is listed for the 2018 Alfa Romeo Giulia — MOPAR 68353861AA.
Transmission Fluid
Multi-Vehicle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Popular Fits: 2.9L V6 Turbocharged | 126505 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-Vehicle ATF | View on Amazon |
| VALVOLINE Popular Fits: 2.9L V6 Turbocharged | VV3246 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Quart | View on Amazon |
| VALVOLINE Popular Fits: 2.9L V6 Turbocharged | 773775 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Gallon | View on Amazon |
| LIQUI MOLY Fits: 2.9L V6 Turbocharged | 20032 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Tec ATF 18001 Liter | View on Amazon |
| LIQUI MOLY Fits: 2.9L V6 Turbocharged | 22036 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Tec ATF 18005 Liter | View on Amazon |
| LIQUI MOLY Fits: 2.9L V6 Turbocharged | 20034 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top TEC ATF 180020 Liter | View on Amazon |
| LUBEGARD Fits: 2.9L V6 Turbocharged | 69032 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 1 QuartComplete Full Synthetic ATF Fluid | View on Amazon |
| VALVOLINE Fits: 2.9L V6 Turbocharged | 881051 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Maxlife Multi-Vehicle Full Synthetic ATF5 Gallon Bay Box | View on Amazon |
ZF Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.9L V6 Turbocharged | 68218925AB | 🇺🇸 US 🇨🇦 CA | QuartLiter | View on Amazon |
| PENTOSIN Fits: 2.9L V6 Turbocharged | 1058110 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 1 LiterATF8 | View on Amazon |
| PENTOSIN Fits: 2.9L V6 Turbocharged | 1058210 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5 LitersATF8 | View on Amazon |
| ZF Fits: 2.9L V6 Turbocharged | S671090312 | 🇺🇸 US 🇨🇦 CA | ZF Lifeguard Fluid 8includes 1 L Bottle | View on Amazon |
| ZF Fits: 2.9L V6 Turbocharged | S671090311 | 🇺🇸 US 🇨🇦 CA | ZF Lifeguard Fluid 8includes 20 L Can | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO Fits: 2.9L V6 Turbocharged | V600442 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | ATF 9HP, 1 L | View on Amazon |
| VALVOLINE Fits: 2.9L V6 Turbocharged | 899179 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Protection Full Synthetic ATF1 Quart | 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.
15 Transmission Fluid parts are listed for the 2018 Alfa Romeo Giulia, from VALVOLINE, LIQUI MOLY, PENTOSIN and 5 other brands. MOBIL 126505 carries the "Popular" badge.
In the Multi-Vehicle grade, VALVOLINE, LIQUI MOLY, MOBIL and 1 other brand supply 8 parts: grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. A representative part number is MOBIL 126505.
In the ZF Fluid grade, PENTOSIN, ZF and MOPAR supply 5 parts: grouped under the catalog's "ZF Fluid" designation — the notes column spells out what sets them apart. A representative part number is MOPAR 68218925AB.
2 ungrouped parts are not assigned to a grade, with the same engine-level match.
Transmission Fluid Additive
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LUBEGARD Popular Fits: 2.9L V6 Turbocharged | 19610 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Instant Shudder Fixx2 oz | View on Amazon |
| LUBEGARD Popular Fits: 2.9L V6 Turbocharged | 60902 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Automatic Transmission Fluid Protectant10 oz | View on Amazon |
| LUBEGARD Fits: 2.9L V6 Turbocharged | 19689 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Instant Shudder Fixx2 oz | View on Amazon |
| LUBEGARD Fits: 2.9L V6 Turbocharged | 63010 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum Universal ATF Protectant10 oz | View on Amazon |
| LUBEGARD Fits: 2.9L V6 Turbocharged | 63016 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum Universal ATF Protectant15 oz | View on Amazon |
| LUBEGARD Fits: 2.9L V6 Turbocharged | 63032 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum Universal ATF Protectant32 oz | View on Amazon |
This table covers the conditioners and additives used with this transmission fluid.
LUBEGARD supplies the 6 Transmission Fluid Additive parts for the 2018 Alfa Romeo Giulia. LUBEGARD 19610 carries the "Popular" badge.
Listed part numbers: LUBEGARD 19610, LUBEGARD 60902 and LUBEGARD 19689, plus the other parts above.
Transmission Service Kit
Expert Kit (Basic Kit & Transmission Fluid)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO Fits: 2.9L V6 Turbocharged | V330533 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Kit 1Includes: Oil for Automatic Transmission, Filler Plug, Drain Plug | View on Amazon |
Expert Kit + (Expert Kit and Extra Oil for Rinsing)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO Fits: 2.9L V6 Turbocharged | V330533XXL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Kit 2Includes: Oil for Automatic Transmission, Filler Plug, Drain Plug | View on Amazon |
This table covers the Transmission service kits.
2 Transmission Service Kit parts for the 2018 Alfa Romeo Giulia come from VAICO.
In the Expert Kit (Basic Kit & Transmission Fluid) grade, VAICO supplies 1 part: grouped under the catalog's "Expert Kit (Basic Kit & Transmission Fluid)" designation — the notes column spells out what sets them apart. A representative part number is VAICO V330533.
The Expert Kit + (Expert Kit and Extra Oil for Rinsing) section lists 1 option from VAICO — grouped under the catalog's "Expert Kit + (Expert Kit and Extra Oil for Rinsing)" designation — the notes column spells out what sets them apart. VAICO V330533XXL is listed in this group.
Listed part numbers: VAICO V330533 and VAICO V330533XXL.
Valve Body
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 2.9L V6 Turbocharged | 68406185AA | 🇺🇸 US 🇨🇦 CA | Twin Engine with Engine Stop-Start (ESS)Sedan/Quad Cab Short Wheelbase | View on Amazon |
This table covers the valve bodies that route hydraulic pressure inside the transmission.
One part is listed for the 2018 Alfa Romeo Giulia — MOPAR 68406185AA.
Buying Automatic Transmission Parts for a 2018 Alfa Romeo Giulia
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. Every automatic transmission part here is 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: Transmission Fluid and Transmission Fluid Additive .
Frequently Asked Questions
How many automatic transmission parts fit the 2018 Alfa Romeo Giulia?
Our catalog currently lists 52 automatic transmission parts for the 2018 Alfa Romeo Giulia across 15 subcategories and 12 brands, covering both the 2.0L L4 Turbocharged and the 2.9L V6 Turbocharged. Each part is matched to the engine(s) it fits.
Do automatic transmission parts differ between 2018 Alfa Romeo Giulia engines?
Yes. Every automatic transmission part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. 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 2018 Alfa Romeo Giulia?
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 Alfa Romeo Giulia 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 Alfa Romeo Giulia?
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 2018 Alfa Romeo Giulia
Automatic Transmission Parts for Other Alfa Romeo Giulia Years
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