Beck/Arnley Rack and Pinion Bellows Kit P/N:103-3121

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$24.99
MPN: 103-3121
Item Package Code: EA
Part Has Core (Y/N): N
Item Package Quantity: 1
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Beck/Arnley Rack and Pinion Bellows Kit P/N:103-3121
Beck/Arnley Rack and Pinion Bellows Kit P/N:103-3121
$24.99

Seal out the grit and moisture that destroy your steering gear with the Beck/Arnley Rack and Pinion Bellows Kit 103-3121, a direct-fit steering rack boot kit for the 2013 Infiniti JX35, 2014-2020 Infiniti QX60, 2013-2025 Nissan Altima, 2016-2023 Nissan Maxima, 2015-2024 Nissan Murano, and 2013-2020 Nissan Pathfinder. See the Buyer's Guide tab for engine-level fitment. The bellows flexes with the inner tie rod as the rack strokes, keeping the grease in and contaminants away from the rack, inner tie rod, and seals.

  • One-piece neoprene boot: this is not a split boot.
  • Complete installation: includes the boot and two clamps.
  • Matches OE form, fit and function for a direct replacement on foreign nameplate applications.
  • Application specific with quality construction for durability.

A cracked, torn, or leaking bellows lets dirt and water reach the rack — signs this boot may need replacing. If a failed boot is behind grease slinging or contamination, this kit replaces it. Have an alignment performed after service.

Interchange: 45A7129 · D82033KA0A · K150293 · FA8106

This part cross-references / interchanges with the following part numbers:

45A7129, D82033KA0A, K150293, FA8106

Frequently Asked Questions

What does this rack and pinion bellows kit do?

The bellows boot flexes with the inner tie rod as the rack strokes, keeping grease in and sealing dirt, moisture, and debris away from the steering rack and inner tie rod.

Is this a split boot?

No. This is a one-piece neoprene boot, not a split boot.

What's included in the kit?

It includes the boot and two clamps for a complete installation.

Which vehicles does 103-3121 fit?

It fits the 2013 Infiniti JX35, 2014-2020 QX60, 2013-2025 Nissan Altima, 2016-2023 Maxima, 2015-2024 Murano, and 2013-2020 Pathfinder. Check the Buyer's Guide tab.

How do I know the bellows needs replacing?

Signs include a cracked, torn, or leaking boot and grease slinging near the tie rod. Diagnose the cause first; if the boot has failed, this kit replaces it.