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LIPPERT

Cotter Pin – 1/4" x 2-1/4" – For 10K–16K Axles | LPT
SKU: 1016-CPIN-LPT
$3.45 USD $3.45 USD
Shipping calculated at checkout.
In stock
Description

This 1/4" x 2-1/4" cotter pin is designed to secure spindle nuts on 10,000–16,000 lb Lippert axles. Engineered for strength and reliability, it's a critical component for maintaining axle safety and wheel retention. Suitable for use during hub service, replacement is recommended each time it is removed.

Detailed Information:
Usable Length 2-1/4"
Overall Length 2-3/4"
Diameter 1/4"
Axle Capacity 10,000–16,000 lbs
Fitting:

Designed for Lippert 10K–16K trailer axles. Installs through the spindle nut and castle nut slot to secure axle components. Compatible with standard replacement hubs and axle service kits.

Features:
  • Standard Size: Compatible with a wide range of 10K–16K axle spindle nuts.
  • Durable Construction: Built for strength and reliability under heavy loads.
  • Secure Locking: Prevents spindle nuts from backing off during operation.
  • Maintenance-Friendly: Should be replaced with each removal for best safety.
  • Trusted Fit: Engineered to meet Lippert OE specifications.
Interchangeable Part Numbers:
  • 181899
  • Curt 181899
  • Zoro G4136401
Product Overview:

The Cotter Pin – 1/4" x 2-1/4" – For 10K–16K Axles | LPT is a critical component for securing spindle nuts on heavy-duty trailer axles. Its precise dimensions ensure a tight fit through castle nut slots, locking the hub assembly in place. Built for Lippert axles and compatible with other standard trailer systems, this cotter pin provides peace of mind during towing and helps maintain long-term axle performance.

We want you to be completely satisfied with your purchase. That’s why we offer a hassle-free return policy within 30 days of delivery*. If your item is unused, in original packaging, and eligible for return, you can send it back for a refund or exchange.

*Some exclusions may apply

Some of our products are backed by a 1-year limited manufacturer warranty covering defects in materials and workmanship under normal use. If you experience any issues during this period, we’ll work with you to repair, replace, or resolve it according to warranty terms.*

*Proof of purchase required

Need it fast? We’ve got you covered. Orders confirmed before 3 PM Eastern Standard Time (Monday–Friday) are processed and shipped out the same business day. Orders placed after the cutoff will ship the next business day.
Cotter Pin – 1/4" x 2-1/4" – For 10K–16K Axles | LPT

Customer Reviews

Based on 12 reviews
92%
(11)
8%
(1)
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(0)
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N
Noland Josephs
Dependable for Safety

Installed on a 16K axle hub. Maintains spindle nut security even on rough terrain.

W
Wilek McKnish
Installation Made Simple

Slides through castle nut effortlessly. No hammering or bending required.

I
Immanuel Parres
Strong, Affordable Cotter Pin

High-quality steel, precise length, and diameter. Affordable solution for trailer maintenance.

D
Denis Snowding
Exact Fit, No Adjustments Needed

Fits 10K Lippert axles perfectly. Installation is straightforward.

W
Whit Mattin
Minor Burr, Function Fine

One pin had a slight burr, but it didn’t affect installation or performance. Solid steel.

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