This page lists 11 steering parts for the 2021 Toyota Highlander, across 3 part types, covering both the 2.5L L4 ELECTRIC/GAS and the 3.5L V6. Every part shows its brand, manufacturer part number and fitment notes.
On the 2021 Toyota Highlander, the steering system connects driver to road through the rack, pump, tie rods, and column components. All 11 listed parts are Tie Rod End (7 parts), Knuckle (2 parts) and Pinion Angle Adjusting Bolt (2 parts).
The 2021 Toyota Highlander was sold with both the 2.5L L4 ELECTRIC/GAS and the 3.5L V6. All 11 parts on this page fit every engine.
8 brands supply steering parts for the 2021 Toyota Highlander, led by APWI (2 parts), MOOG (2 parts) and BECK/ARNLEY (2 parts), plus 5 more brands. Quality grades include Daily Driver and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Toyota Highlander. 2 parts have it, including MEVOTECH MS866103 (Tie Rod End) and MOOG ES801595 (Tie Rod End). Each part number opens a page with every vehicle that part fits.
Knuckle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APWI Fits: all 2021 Highlander engines | TO2050 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Premium Forged Knuckles | View on Amazon |
| APWI Fits: all 2021 Highlander engines | TO2051 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Premium Forged Knuckles | View on Amazon |
This table covers the steering knuckles that carry the hub, caliper and ball joints.
APWI supplies both parts for the 2021 Toyota Highlander. All of them fit every engine offered in the 2021 Highlander.
This group includes APWI TO2050 and APWI TO2051.
Pinion Angle Adjusting Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: all 2021 Highlander engines | 45K0205 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| MOOG Fits: all 2021 Highlander engines | K100086 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearPlus or Minus 1.5 Degree Pinion Angle | View on Amazon |
This table covers the Pinion Angle Adjusting bolts.
2 Pinion Angle Adjusting Bolt parts for the 2021 Toyota Highlander come from 2 brands — ACDELCO and MOOG. Every part fits both the 2.5L L4 ELECTRIC/GAS and the 3.5L V6.
Part numbers include ACDELCO 45K0205 and MOOG K100086.
Tie Rod End
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MEVOTECH Popular Fits: all 2021 Highlander engines | MS866103 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Supreme | View on Amazon |
| MOOG Popular Fits: all 2021 Highlander engines | ES801595 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Outerwith Flange Style Slotted Nut | View on Amazon |
| DELPHI Fits: all 2021 Highlander engines | TA3996 | 🇺🇸 US 🇨🇦 CA | Front Outer | View on Amazon |
| SUSPENSIA Fits: all 2021 Highlander engines | X50TE1127 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Outer | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Fits: all 2021 Highlander engines | 1018823 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Outer | View on Amazon |
| BECK/ARNLEY Fits: all 2021 Highlander engines | 1018898 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front InnerTo 09/20 | View on Amazon |
| DORMAN Fits: all 2021 Highlander engines | 544484 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Outer | 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.
7 Tie Rod End parts for the 2021 Toyota Highlander come from 6 brands — BECK/ARNLEY, MEVOTECH, MOOG and 3 other brands. The "Popular" part is MEVOTECH MS866103. Every part fits both the 2.5L L4 ELECTRIC/GAS and the 3.5L V6.
In the Daily Driver grade, MEVOTECH, MOOG, DELPHI and 1 other brand supply 4 parts: grouped for everyday commuting duty. A representative part number is MEVOTECH MS866103.
The Economy section lists 3 options from BECK/ARNLEY and DORMAN — the catalog's value-priced group. BECK/ARNLEY 1018823 is listed in this group.
Listed part numbers: MEVOTECH MS866103, MOOG ES801595 and DELPHI TA3996, plus the other parts above.
Buying Steering Parts for a 2021 Toyota Highlander
On this vehicle, the steering system connects driver to road through the rack, pump, tie rods, and column components.
- You do not need to pick an engine: every steering part on this page fits both the 2.5L L4 ELECTRIC/GAS and the 3.5L V6.
- 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: Tie Rod End and Knuckle .
Frequently Asked Questions
How many steering parts fit the 2021 Toyota Highlander?
Our catalog currently lists 11 steering parts for the 2021 Toyota Highlander across 3 subcategories and 8 brands, covering both the 2.5L L4 ELECTRIC/GAS and the 3.5L V6. Each part is matched to the engine(s) it fits.
Do steering parts differ between 2021 Toyota Highlander engines?
No. On this page every steering part fits both the 2.5L L4 ELECTRIC/GAS and the 3.5L V6. You do not need to pick an engine to choose the right row — use the notes for position and trim.
What are the signs of steering problems on a 2021 Toyota Highlander?
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 2021 Toyota Highlander 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 2021 Toyota Highlander?
Every part on this page already fits both the 2.5L L4 ELECTRIC/GAS and the 3.5L V6. 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 2021 Toyota Highlander
Steering Parts for Other Toyota Highlander 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.