29 Steering parts are listed for the 2026 Cadillac CT4, in 13 part types, covering all 3 engine options (2.0L L4 Turbocharged, 2.7L L4 Turbocharged and 3.6L V6 Turbocharged). Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2026 Cadillac CT4, the steering system connects driver to road through the rack, pump, tie rods, and column components. 17 parts of the 29 listed are Knuckle (10 parts), Steering Shaft (4 parts) and Tie Rod End (3 parts). The other 10 part types cover the remaining 12 parts.
The 2026 Cadillac CT4 was sold with 3 engines. 8 parts fit every engine; the other 21 are engine-specific. Each part shows which engine(s) it fits.
Every steering part listed for the 2026 Cadillac CT4 comes from GM GENUINE.
1 part on this 2026 Cadillac CT4 page carries a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — GM GENUINE 84702875 (Knuckle). Click any part number to see every vehicle that part fits.
Coupling Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 2.0L L4 Turbocharged, 2.7L L4 Turbocharged | 85117849 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: No | 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.
This group shows a single part: GM GENUINE 85117849.
Knuckle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 2.0L L4 Turbocharged, 2.7L L4 Turbocharged | 84702875 | 🇺🇸 US 🇨🇦 CA | Front RightAWD | View on Amazon |
| GM GENUINE Fits: 2.0L L4 Turbocharged, 2.7L L4 Turbocharged | 84702874 | 🇺🇸 US 🇨🇦 CA | Front LeftAWD | View on Amazon |
| GM GENUINE Fits: 2.0L L4 Turbocharged, 2.7L L4 Turbocharged | 84712195 | 🇺🇸 US 🇨🇦 CA | Front LeftRWD | View on Amazon |
| GM GENUINE Fits: 2.0L L4 Turbocharged, 2.7L L4 Turbocharged | 84712196 | 🇺🇸 US 🇨🇦 CA | Front RightRWD | View on Amazon |
| GM GENUINE Fits: 2.0L L4 Turbocharged, 2.7L L4 Turbocharged | 84728702 | 🇺🇸 US 🇨🇦 CA | Rear LeftVehicles To 9/19/19 Order with 84743192 QTY 1 | View on Amazon |
| GM GENUINE Fits: 2.0L L4 Turbocharged, 2.7L L4 Turbocharged | 84728703 | 🇺🇸 US 🇨🇦 CA | Rear RightHeavy Duty Power Brake System (J55) | View on Amazon |
| GM GENUINE Fits: 3.6L V6 Turbocharged | 84520221 | 🇺🇸 US 🇨🇦 CA | Rear LeftHeavy Duty Front & Rear Disc Brakes with ABS (J6G) | View on Amazon |
| GM GENUINE Fits: 3.6L V6 Turbocharged | 84520222 | 🇺🇸 US 🇨🇦 CA | Rear RightHeavy Duty Front & Rear Disc Brakes with ABS (J6G) | View on Amazon |
| GM GENUINE Fits: 3.6L V6 Turbocharged | 84712197 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| GM GENUINE Fits: 3.6L V6 Turbocharged | 84712198 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
This table covers the steering knuckles that carry the hub, caliper and ball joints.
10 Knuckle parts for the 2026 Cadillac CT4 come from GM GENUINE. The "Popular" part is GM GENUINE 84702875.
Rack and Pinion
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 2.0L L4 Turbocharged, 2.7L L4 Turbocharged | 85024633 | 🇺🇸 US 🇨🇦 CA | RWDRide and Handling Suspension Code (FE2) | 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.
This group shows a single part: GM GENUINE 85024633.
Rack and Pinion Bellow
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 CT4 engines | 22789026 | 🇺🇸 US 🇨🇦 CA | Fits RWDSport Suspension (FE3) | View on Amazon |
This table covers the rubber boots that seal the inner tie-rod joints on the rack.
One part is listed for the 2026 Cadillac CT4 — GM GENUINE 22789026.
Rack and Pinion Bellow Clamp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 CT4 engines | 11612027 | 🇺🇸 US 🇨🇦 CA | Steel | View on Amazon |
This table covers the Rack and Pinion Bellow clamps.
This group shows a single part: GM GENUINE 11612027.
Steering Column
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 2.0L L4 Turbocharged, 2.7L L4 Turbocharged | 84961920 | 🇺🇸 US 🇨🇦 CA | Tilt and Telescoping Steering Wheel (N37)Exc. Electric Steering Column Lock Control (N06) | View on Amazon |
| GM GENUINE Fits: 3.6L V6 Turbocharged | 84228109 | 🇺🇸 US 🇨🇦 CA | Power Retractable Tilt Steering Column (N38)Exc. Electric Steering Column Lock Control (N06) | View on Amazon |
This table covers the steering columns.
2 Steering Column parts for the 2026 Cadillac CT4 come from GM GENUINE.
Listed part numbers: GM GENUINE 84961920 and GM GENUINE 84228109.
Steering Column Bolt / Screw
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 Turbocharged | 11611601 | 🇺🇸 US 🇨🇦 CA | Screw-Pan7 Thread | View on Amazon |
This table covers the Steering Column Bolt screws. Typical signs include a rounded head, a seeping bleeder, or a fastener that will not hold torque. Do not force a new screw into a stripped hole — repair the thread first.
This group shows a single part: GM GENUINE 11611601.
Steering Column Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 Turbocharged | 85529620 | 🇺🇸 US 🇨🇦 CA | Terminal Type: "Pin, Blade Pin" | View on Amazon |
This table covers the Steering Column control modules.
One part is listed for the 2026 Cadillac CT4 — GM GENUINE 85529620.
Steering Gear Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 CT4 engines | 11547494 | 🇺🇸 US 🇨🇦 CA | FrontSERRATED | View on Amazon |
| GM GENUINE Fits: 2.0L L4 Turbocharged, 2.7L L4 Turbocharged | 11589283 | 🇺🇸 US 🇨🇦 CA | AWDSingle Use | View on Amazon |
This table covers the Steering Gear bolts.
2 Steering Gear Bolt parts for the 2026 Cadillac CT4 come from GM GENUINE. 1 part fits every engine; the other 1 is engine-specific.
Part numbers include GM GENUINE 11547494 and GM GENUINE 11589283.
Steering Gear Nut
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 CT4 engines | 11546366 | 🇺🇸 US 🇨🇦 CA | RWDM10X1.5 | View on Amazon |
This table covers the Steering Gear nuts.
This group shows a single part: GM GENUINE 11546366.
Steering Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 2.0L L4 Turbocharged, 2.7L L4 Turbocharged | 84413032 | 🇺🇸 US 🇨🇦 CA | IntermediateAWD | View on Amazon |
| GM GENUINE Fits: all 2026 CT4 engines | 84444691 | 🇺🇸 US 🇨🇦 CA | Upper IntermediateRWD | View on Amazon |
| GM GENUINE Fits: 2.0L L4 Turbocharged, 2.7L L4 Turbocharged | 85110708 | 🇺🇸 US 🇨🇦 CA | LowerIntermediate | View on Amazon |
| GM GENUINE Fits: 3.6L V6 Turbocharged | 85110709 | 🇺🇸 US 🇨🇦 CA | Intermediate | View on Amazon |
This table covers the Steering shafts.
4 Steering Shaft parts for the 2026 Cadillac CT4 come from GM GENUINE. 1 part fits every engine; the other 3 are engine-specific.
Part numbers include GM GENUINE 84413032, GM GENUINE 84444691 and GM GENUINE 85110708, among others listed above.
Tie Rod End
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: all 2026 CT4 engines | 87827846 | 🇺🇸 US 🇨🇦 CA | End 1 Thread Direction: Clockwise (Right) | View on Amazon |
| GM GENUINE Fits: all 2026 CT4 engines | 87827847 | 🇺🇸 US 🇨🇦 CA | End 1 Thread Direction: Clockwise (Right) | View on Amazon |
| GM GENUINE Fits: all 2026 CT4 engines | 22789023 | 🇺🇸 US 🇨🇦 CA | Fits InnerRWD | 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.
GM GENUINE supplies the 3 Tie Rod End parts for the 2026 Cadillac CT4. All of them fit every engine offered in the 2026 CT4.
This group includes GM GENUINE 87827846, GM GENUINE 87827847 and GM GENUINE 22789023.
Tie Rod Nut
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 Turbocharged | 22789025 | 🇺🇸 US 🇨🇦 CA | Inner | View on Amazon |
This table covers the Tie Rod nuts.
One part is listed for the 2026 Cadillac CT4 — GM GENUINE 22789025.
Buying Steering Parts for a 2026 Cadillac CT4
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: Knuckle and Steering Shaft .
Frequently Asked Questions
How many steering parts fit the 2026 Cadillac CT4?
Our catalog currently lists 29 steering parts for the 2026 Cadillac CT4 across 13 subcategories and 1 brand, covering all 3 engine options (2.0L L4 Turbocharged, 2.7L L4 Turbocharged and 3.6L V6 Turbocharged). Each part is matched to the engine(s) it fits.
Do steering parts differ between 2026 Cadillac CT4 engines?
Some do. 8 parts fit every engine; the other 21 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 2026 Cadillac CT4?
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 2026 Cadillac CT4 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 2026 Cadillac CT4?
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 2026 Cadillac CT4
Steering Parts for Other Cadillac CT4 Years
Switch vehicle or jump to a subcategory
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.