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Left and right Tesla suspension control arms 1420428-00-B and 1420426-00-B
CTP marking on side-specific Tesla Model 3 and Model Y suspension arm
Left and right markings on 1420428 and 1420426 control arms
Right-hand 1420426-00-B suspension control arm detail

Tesla Model 3/Y Suspension Arm | LH 1420428-00-B / RH 1420426-00-B

할인 가격$140.00 USD

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Option:L 1420428-00-B

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Left and right Tesla suspension control arms 1420428-00-B and 1420426-00-B
Tesla Model 3/Y Suspension Arm | LH 1420428-00-B / RH 1420426-00-B 할인 가격$140.00 USD
Left and right Tesla suspension control arms 1420428-00-B and 1420426-00-B

Side-specific suspension control arm

Buy by the stamped reference, not by the picture alone

This listing separates two mirrored suspension arms: LH 1420428-00-B and RH 1420426-00-B. Their shape is similar, but the side marking, mounting orientation and part number determine which one belongs in the diagnosed position.

Before checkout: The main image shows both LH and RH arms for comparison. The selector lists one side at a time; a two-arm set is not stated as included.

Three checks that reduce ordering risk

Read the L or R marking

Product images show clear side markings. Match them to the removed component and the technician-confirmed position.

Read the entire number

1420428-00-B and 1420426-00-B are different references. A close visual match is not enough.

Confirm the failed component

Suspension noises and steering changes can come from multiple parts. Replace this arm only after inspection identifies it.

Choose the exact live side above

Both current options are available. Use the selector after the part number and side have been confirmed.

LH 1420428-00-B

Choose the left-hand option only when the removed arm or current vehicle-specific service data confirms 1420428-00-B.

RH 1420426-00-B

Choose the right-hand option only when the removed arm or current vehicle-specific service data confirms 1420426-00-B.

Why this page stays focused on matching

The correct mirrored geometry

Side selection keeps the joint, bushing and mounting direction aligned with the intended position.

A clearer handoff to the installer

A confirmed reference reduces last-minute uncertainty after the vehicle is raised or disassembled.

No unsupported position claim

The page identifies this as a suspension control arm and relies on the exact reference rather than guessing a location from appearance.

Left and right markings on 1420428 and 1420426 control arms

Product and fitment details

Product type Side-specific suspension control arm / suspension link
Listed vehicles Model 3 and Model Y; exact configuration must be confirmed
Left-hand option L 1420428-00-B
Right-hand option R 1420426-00-B
Visible features Metal arm, rubber bushing, joint end and L/R markings shown
Sale boundary One selected side; a pair is not stated as included
CTP marking on side-specific Tesla Model 3 and Model Y suspension arm

A precise install starts before the wrench turns

Document the old part

Photograph the installed orientation and reference number before removal so the new arm can be compared correctly.

Check geometry on the bench

Compare side marking, curvature, joint direction, bushing and mounting surfaces before any fastener is tightened.

Use the applicable procedure

This page does not provide torque or alignment instructions. A qualified technician should use current vehicle-specific service data.

Part and origin transparency

The current photos show CTP branding and L/R markings on the photographed arms. They do not show Tesla-branded retail packaging or a manufacturer certificate, so the reference numbers support identification but do not prove genuine Tesla manufacture.

Other Model 3/Y suspension parts to identify separately

Each listing below has different geometry and references. They should be treated as separate repair parts.

Tesla Model 3 and Model Y front upper control arm

Front Upper Control Arm 1188321 / 1188326

A U-shaped front upper control arm listing with exact LH and RH A-revision options.

Ordering note: order it only when the upper arm and its matching reference are diagnosed.

Tesla Model 3 and Model Y front lower lateral link

Front Lower Lateral Link 1044341 / 1188341

A model-specific straight lower lateral-link listing with separate Model 3 and Model Y options.

Ordering note: do not substitute its model-specific references for the 1420428/1420426 side options.

1420428 / 1420426 suspension arm FAQ

Which part number is left and right?

The live options are LH 1420428-00-B and RH 1420426-00-B.

Are the two arms interchangeable?

No. Their mirrored geometry and side references are different.

Does the main photo mean I receive both?

No pair is stated. The image shows both sides for comparison, while the selector sells one side at a time.

Does this page guarantee fit by model name alone?

No. Confirm the vehicle configuration, exact part number and diagnosed suspension position before ordering.

Is CTP branding the same as Tesla-branded packaging?

No. The photos show CTP markings and do not show Tesla-branded retail packaging or a manufacturer certificate.

What should be checked after installation?

A qualified technician should inspect the completed work and determine any alignment or steering checks required by the applicable repair procedure.

Confirm the component, side and full reference before checkout

A precise match and a professional repair plan protect both the installation and the decision behind it.

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