The 2018 Ram 4000 has 16 steering parts with verified fitment on this page — 7 part types and 5 brands, covering the 5.7L V8 engine. Each part includes a manufacturer part number and application notes.
On the 2018 Ram 4000, the steering system connects driver to road through the rack, pump, tie rods, and column components. Most of the listed parts are Center / Drag Link (3 parts), Power Steering Pressure Hose (3 parts) and Power Steering Pump (3 parts). The other 4 part types cover the remaining 7 parts.
The 2018 Ram 4000 came with a single engine, the 5.7L V8, and every part is verified against it.
5 brands supply steering parts for the 2018 Ram 4000, led by DORMAN (8 parts), EDELMANN (3 parts) and PENTOSIN (2 parts), plus 2 more brands. Quality grades include Remanufactured and New.
Each part number listed for the 2018 Ram 4000 opens a page with every vehicle that part fits.
Center / Drag Link
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 541021 | 🇲🇽 MX | At Pitman Arm, Left Innerfor Second Design with Clamp and Tube | View on Amazon |
| DORMAN | 541022 | 🇲🇽 MX | Front Right OuterFirst Design with Turnbuckle | View on Amazon |
| DORMAN | 541019 | 🇲🇽 MX | Front Left Inner (To Pitman Arm)First Design with Turnbuckle | View on Amazon |
This table covers the Center / Drag links. Typical signs include a clunk over a driveway lip, or a rattle from the bar. Replace links in pairs; a seized stud often takes the bushing with it.
3 Center / Drag Link parts for the 2018 Ram 4000 come from DORMAN.
This group includes DORMAN 541021, DORMAN 541022 and DORMAN 541019.
Pitman Arm
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 541416 | 🇲🇽 MX | View on Amazon |
This table covers the Pitman arms.
One part is listed for the 2018 Ram 4000 — DORMAN 541416.
Power Steering Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PENTOSIN | 1058112 | 🇲🇽 MX | ATF441 Liter | View on Amazon |
| PENTOSIN | 1058212 | 🇲🇽 MX | ATF445 Liters | View on Amazon |
This table covers the fluids specified for this steering system. Typical signs include discolored fluid, a burnt smell, or a level that keeps dropping. Use only the specification in the notes — the tables group grades because they are not interchangeable.
2 Power Steering Fluid parts for the 2018 Ram 4000 come from PENTOSIN.
Listed part numbers: PENTOSIN 1058112 and PENTOSIN 1058212.
Power Steering Pressure Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| EDELMANN | 80939 | 🇲🇽 MX | Hydroboost To Gear | View on Amazon |
| EDELMANN | 80940 | 🇲🇽 MX | Pump To HydroboostHydroboost System | View on Amazon |
| EDELMANN | 80940E | 🇲🇽 MX | Elite Extreme Weather Hose | View on Amazon |
This table covers the Power Steering Pressure 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.
3 Power Steering Pressure Hose parts for the 2018 Ram 4000 come from EDELMANN.
This group includes EDELMANN 80939, EDELMANN 80940 and EDELMANN 80940E.
Power Steering Pump
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AAE | 63297N | 🇲🇽 MX | with ReservoirIncludes Reservoir Cap | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CARDONE | 214074 | 🇲🇽 MX | Remanufactured Power Steering Pumpwithout Reservoir | View on Amazon |
| CARDONE | 214074R | 🇲🇽 MX | Remanufactured Power Steering Pump | View on Amazon |
This table covers the Power Steering pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit.
3 Power Steering Pump parts for the 2018 Ram 4000 come from 2 brands — CARDONE and AAE.
The New section lists 1 option from AAE — brand-new units rather than rebuilt ones. AAE 63297N is listed in this group.
The Remanufactured section lists 2 options from CARDONE — factory-rebuilt units with new wear components. CARDONE 214074 is listed in this group.
Listed part numbers: AAE 63297N, CARDONE 214074 and CARDONE 214074R.
Tie Rod End
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 544505 | 🇲🇽 MX | Front Left Outerwith First Design Curved Tie Rod | View on Amazon |
This table covers the inner and outer tie-rod ends that steer each front knuckle. Typical signs include play on center, a feathered front tire, or a boot that has split and packed with grit. Replace inner and outer ends together on a high-mileage axle, then get an alignment.
This group shows a single part: DORMAN 544505.
Tie Rod End Adjusting Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 545019 | 🇲🇽 MX | Left (Pitman Arm To Steering Arm)Second Design | View on Amazon |
| DORMAN | 533140 | 🇲🇽 MX | Left (Steering Arm to Steering Arm) | View on Amazon |
| DORMAN | 533137 | 🇲🇽 MX | OE FIX | View on Amazon |
This table covers the Tie Rod End Adjusting sleeves.
DORMAN supplies the 3 Tie Rod End Adjusting Sleeve parts for the 2018 Ram 4000.
This group includes DORMAN 545019, DORMAN 533140 and DORMAN 533137.
Buying Steering Parts for a 2018 Ram 4000
On this vehicle, the steering system connects driver to road through the rack, pump, tie rods, and column components.
- Confirm you have the 5.7L V8 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 inner and outer tie-rod ends together on higher-mileage vehicles, then get an alignment.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Center / Drag Link and Power Steering Pressure Hose .
Frequently Asked Questions
How many steering parts fit the 2018 Ram 4000?
Our catalog currently lists 16 steering parts for the 2018 Ram 4000 across 7 subcategories and 5 brands, covering the 5.7L V8 engine. Each part is matched to the engine(s) it fits.
What are the signs of steering problems on a 2018 Ram 4000?
Common symptoms include play or looseness on center, a whine when turning, fluid weeping from rack boots, or uneven tire wear on the front axle. 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 inner and outer tie-rod ends together on higher-mileage vehicles, then get an alignment.
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 Ram 4000 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 Ram 4000?
Every part on this page is matched to the 5.7L V8 engine. Then flush old power-steering fluid when replacing a pump or rack — grit in the old fluid is the number-one cause of repeat failure. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2018 Ram 4000
Steering Parts for Other Ram 4000 Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.