ZONFANT Control Arm Bumper Stops for Chevy GMC 1995-2013, Pair — OEM-fit Rubber Cushions

ZONFANT control arm bumper stops are replacement rubber bumpers designed to reduce metal-to-metal contact and absorb suspension impacts on compatible Chevy, GMC, and Cadillac trucks and SUVs between 1995 and 2013.

These durable control arm bumpers (package of 2) replace OE part numbers K201426, K201426B, and KR1426. They fit a long list of full-size GM trucks and SUVs—Avalanche, Silverado, Suburban, Tahoe, Sierra, Yukon, and Escalade models—providing a straightforward, direct-fit solution when the original bump stops have worn and the suspension begins to sag, rattle, or bottom out. Manufactured to meet OEM form and function, the parts resist corrosion and contamination so they keep cushioning the control arm-to-frame contact for many miles.

How will this bumper stop affect ride noise and impact harshness?

When original bump stops degrade, control arms can travel farther and strike the frame, producing clunks, rattles, and a harsher ride over bumps. Installing these replacement bumpers restores the intended travel limit, so impacts are absorbed by rubber rather than metal.

• Reduces metal-to-metal contact that causes clunks and scraping noises.
• Absorbs shock from large bumps to smooth intermittent harshness.
• Helps prevent sudden bottoming out of suspension travel.
• Restores original ride characteristics when installed per vehicle fitment.

Which vehicles and part numbers are compatible with this part?

These ZONFANT bumper stops are made to replace OE numbers K201426, K201426B, and KR1426. Check your vehicle year and model against the compatibility list before ordering to ensure a correct fit.

• Cadillac: 1999–2000 Escalade
• Chevrolet: 1995–2000 Tahoe, 2000–2013 Suburban 2500, Avalanche and Silverado models 1999–2013 (see full listing)
• GMC: Yukon/Yukon XL and Sierra models 1995–2013 (see full listing)
• Confirm OEM part number on your vehicle before purchase for exact match.

How simple is the installation and what tools are required?

These control arm bumper stops are direct-replacement parts designed for easy installation. In many cases they can be installed with basic hand tools and do not require special presses or extensive disassembly.

• Common tools: ratchet, socket set, pry bar, and penetrating oil for stuck fasteners.
• Installation time typically ranges from 20–60 minutes depending on vehicle access.
• Replace both sides as a pair for even suspension response.
• If unsure, consult a repair manual or a trusted technician for lift/press procedures.

What performance and durability should I expect from these replacement stops?

ZONFANT bumpers are made from resilient rubberized materials that resist corrosion and contamination, matching the original shape and mounting points to protect control arms and frame contacts over time.

• Designed to meet OEM geometry and function for reliable operation.
• Corrosion-resistant construction prevents rust-related failures at the mounting point.
• Dust- and debris-resistant to maintain consistent cushioning underload.
• Sold in pairs so both sides wear evenly and restore balanced suspension response.

Who is this for: This replacement control arm bumper set is aimed at owners and professional technicians working on older GM full-size trucks and SUVs (Cadillac Escalade, Chevy Avalanche, Silverado, Suburban, Tahoe, and GMC Sierra, Yukon and Yukon XL) who need a cost-effective, OEM-form replacement to stop bottoming, reduce suspension noise, and protect control arm and frame metal contact. Confirm the OE part number and model-year fitment before purchase; if you need help identifying the correct part for your vehicle, contact ZONFANT support for assistance.