39 Steering parts are listed for the 2021 Chevrolet Blazer, in 12 part types, covering all 3 engine options (2.0L L4 Turbocharged, 2.5L L4 and 3.6L V6). Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Chevrolet Blazer, the steering system connects driver to road through the rack, pump, tie rods, and column components. Most of the listed parts are Tie Rod End (19 parts), Steering Gear Bolt (5 parts) and Knuckle (4 parts). The other 9 part types cover the remaining 11 parts.
The 2021 Chevrolet Blazer was sold with 3 engines. 36 parts fit every engine; the other 3 are engine-specific. Each part shows which engine(s) it fits.
8 brands supply steering parts for the 2021 Chevrolet Blazer, led by GM GENUINE (21 parts), MEVOTECH (5 parts) and MOOG (3 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 Chevrolet Blazer. 5 parts have it, including GM GENUINE 11610468 (Steering Gear Bolt) and DELPHI TA6436 (Tie Rod End). Each part number opens a page with every vehicle that part fits.
Coupling Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2021 Blazer engines | 84885922 | 🇺🇸 US 🇨🇦 CA | Outer | View on Amazon |
This table covers the Coupling boots. Typical signs include a split boot, grease flung around the joint, or a click once grit is inside. A boot caught early is a kit. Once the joint has clicked, the joint itself is usually worn.
One part is listed for the 2021 Chevrolet Blazer — GM GENUINE 84885922.
Knuckle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2021 Blazer engines | 85024986 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
| GM GENUINE Fits: all 2021 Blazer engines | 85024987 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
| GM GENUINE Fits: all 2021 Blazer engines | 84560118 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| GM GENUINE Fits: all 2021 Blazer engines | 84560117 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
This table covers the steering knuckles that carry the hub, caliper and ball joints.
GM GENUINE supplies the 4 Knuckle parts for the 2021 Chevrolet Blazer. All of them fit every engine offered in the 2021 Blazer.
Listed part numbers: GM GENUINE 85024986, GM GENUINE 85024987 and GM GENUINE 84560118, plus the other parts above.
Power Steering Assist Motor / Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2021 Blazer engines | 86513820 | 🇺🇸 US 🇨🇦 CA | Terminal Type: Blade Pin | View on Amazon |
This table covers the Power Steering Assist Motor modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years.
One part is listed for the 2021 Chevrolet Blazer — GM GENUINE 86513820.
Rack and Pinion
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TERREPOWER Fits: all 2021 Blazer engines | 2030200E | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 3.6L V6 | 2030215E | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Remanufactured | View on Amazon |
This table covers the steering gear assemblies that turn the tie rods. Typical signs include fluid at a torn boot, a growl when you turn, or play that the inner tie rods do not explain. Flush the old power-steering fluid with the rack — grit in the old fluid is the usual cause of a repeat leak.
TERREPOWER supplies both parts for the 2021 Chevrolet Blazer. 1 part fits every engine; the other 1 is engine-specific.
Part numbers include TERREPOWER 2030200E and TERREPOWER 2030215E.
Rack and Pinion Bellow
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2021 Blazer engines | 23214221 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the rubber boots that seal the inner tie-rod joints on the rack.
This group shows a single part: GM GENUINE 23214221.
Rack and Pinion Bellow Clamp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2021 Blazer engines | 07840234 | 🇺🇸 US 🇨🇦 CA | 67mm Diameter | View on Amazon |
This table covers the Rack and Pinion Bellow clamps.
One part is listed for the 2021 Chevrolet Blazer — GM GENUINE 07840234.
Steering Column
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2021 Blazer engines | 85529026 | 🇺🇸 US 🇨🇦 CA | Supplemental Restraint System Compliant: YES | View on Amazon |
| GM GENUINE Fits: 2.0L L4 Turbocharged, 3.6L V6 | 85561701 | 🇺🇸 US 🇨🇦 CA | PremierPower Retractable Tilt Steering Column (N38) | View on Amazon |
This table covers the steering columns.
GM GENUINE supplies both parts for the 2021 Chevrolet Blazer. 1 part fits every engine; the other 1 is engine-specific.
Listed part numbers: GM GENUINE 85529026 and GM GENUINE 85561701.
Steering Column Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 2.0L L4 Turbocharged, 3.6L V6 | 84625122 | 🇺🇸 US 🇨🇦 CA | PremierPower Retractable Tilt Steering Column (N38) | View on Amazon |
This table covers the Steering Column control modules.
This group shows a single part: GM GENUINE 84625122.
Steering Column Switch Housing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2021 Blazer engines | 39088759 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Steering Column Switch housings.
This group shows a single part: GM GENUINE 39088759.
Steering Gear Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: all 2021 Blazer engines | 11610468 | 🇺🇸 US 🇨🇦 CA | M12 X 1.75 X 60 mm | View on Amazon |
| GM GENUINE Fits: all 2021 Blazer engines | 11548893 | 🇺🇸 US 🇨🇦 CA | Upper Vertical MountM12 X 1.75 X 75.9 | View on Amazon |
| GM GENUINE Fits: all 2021 Blazer engines | 11589277 | 🇺🇸 US 🇨🇦 CA | LT Model or PremierM12X1.75X66 | View on Amazon |
| GM GENUINE Fits: all 2021 Blazer engines | 11547541 | 🇺🇸 US 🇨🇦 CA | M12 X 1.75 X 173.90Lower Horizontal Mount | View on Amazon |
| GM GENUINE Fits: all 2021 Blazer engines | 11548952 | 🇺🇸 US 🇨🇦 CA | BELT TENSION ACCESS COVER | View on Amazon |
This table covers the Steering Gear bolts.
GM GENUINE supplies the 5 Steering Gear Bolt parts for the 2021 Chevrolet Blazer. GM GENUINE 11610468 carries the "Popular" badge. All of them fit every engine offered in the 2021 Blazer.
Part numbers include GM GENUINE 11610468, GM GENUINE 11548893 and GM GENUINE 11589277, among others listed above.
Steering Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2021 Blazer engines | 85554371 | 🇺🇸 US 🇨🇦 CA | End 1 Type: U-Joint | View on Amazon |
This table covers the Steering shafts.
One part is listed for the 2021 Chevrolet Blazer — GM GENUINE 85554371.
Tie Rod End
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DELPHI Popular Fits: all 2021 Blazer engines | TA6436 | 🇺🇸 US 🇨🇦 CA | Left Outer | View on Amazon |
| DELPHI Popular Fits: all 2021 Blazer engines | TA6437 | 🇺🇸 US 🇨🇦 CA | Right Outer | View on Amazon |
| SUSPENSIA Popular Fits: all 2021 Blazer engines | X07TE0078 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right Outer | View on Amazon |
| SUSPENSIA Popular Fits: all 2021 Blazer engines | X07TE0079 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left Outer | View on Amazon |
| ACDELCO Fits: all 2021 Blazer engines | 45A7193 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| GM GENUINE Fits: all 2021 Blazer engines | 87853956 | 🇺🇸 US 🇨🇦 CA | End 1 Thread Diameter (In): 0.55 In | View on Amazon |
| GM GENUINE Fits: all 2021 Blazer engines | 87853957 | 🇺🇸 US 🇨🇦 CA | End 1 Thread Diameter (In): 0.55 In | View on Amazon |
| GM GENUINE Fits: all 2021 Blazer engines | 87853962 | 🇺🇸 US 🇨🇦 CA | Inner | View on Amazon |
| MEVOTECH Fits: all 2021 Blazer engines | MS50798 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | SupremeIncludes Jam Nut | View on Amazon |
| MEVOTECH Fits: all 2021 Blazer engines | MS506111 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | SupremeGreaseable | View on Amazon |
| MEVOTECH Fits: all 2021 Blazer engines | MS506112 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | SupremeGreaseable | View on Amazon |
| MOOG Fits: all 2021 Blazer engines | EV801581 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Inner | View on Amazon |
| MOOG Fits: all 2021 Blazer engines | ES801409 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left Outer | View on Amazon |
| MOOG Fits: all 2021 Blazer engines | ES801410 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right Outer | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2021 Blazer engines | 543854 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Inner | View on Amazon |
| DORMAN Fits: all 2021 Blazer engines | 544622 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right Outer | View on Amazon |
| DORMAN Fits: all 2021 Blazer engines | 544621 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left Outer | View on Amazon |
| MEVOTECH Fits: all 2021 Blazer engines | GS506111 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Original Grade | View on Amazon |
| MEVOTECH Fits: all 2021 Blazer engines | GS506112 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Original Grade | 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.
19 Tie Rod End parts for the 2021 Chevrolet Blazer come from 7 brands — MEVOTECH, GM GENUINE, MOOG and 4 other brands. The "Popular" part is DELPHI TA6436. Every part fits all 3 engine options (2.0L L4 Turbocharged, 2.5L L4 and 3.6L V6).
In the Daily Driver grade, GM GENUINE, MEVOTECH, MOOG and 3 other brands supply 14 parts: grouped for everyday commuting duty. A representative part number is DELPHI TA6436.
The Economy section lists 5 options from DORMAN and MEVOTECH — the catalog's value-priced group. DORMAN 543854 is listed in this group.
Buying Steering Parts for a 2021 Chevrolet Blazer
On this vehicle, the steering system connects driver to road through the rack, pump, tie rods, and column components.
- Match the engine first. Some steering 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 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 Steering Gear Bolt .
Frequently Asked Questions
How many steering parts fit the 2021 Chevrolet Blazer?
Our catalog currently lists 39 steering parts for the 2021 Chevrolet Blazer across 12 subcategories and 8 brands, covering all 3 engine options (2.0L L4 Turbocharged, 2.5L L4 and 3.6L V6). Each part is matched to the engine(s) it fits.
Do steering parts differ between 2021 Chevrolet Blazer engines?
Some do. 36 parts fit every engine; the other 3 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 steering problems on a 2021 Chevrolet Blazer?
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 Chevrolet Blazer 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 Chevrolet Blazer?
First match the engine — each row shows which engine(s) the part fits. 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 Chevrolet Blazer
Steering Parts for Other Chevrolet Blazer Years
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