Suspension and Components Suspension Limiters and Components

034Motorsport

Density Line 53mm Bump Stop

$21.00

SKU: 034-403-1000

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The 034Motorsport Density Line Bump Stops are front chassis components specifically engineered to address the reduced suspension travel that occurs when a vehicle is lowered. Loss of suspension travel negatively impacts handling precision, ride comfort, and the tire's ability to maintain consistent contact with the road. This offers a more composed, predictable, and confident driving experience, especially on lowered setups. Lowering a vehicle often causes the suspension to engage the factory bump stop sooner than intended. While a bump stop is designed as a final-stage buffer for extreme compression, on a lowered vehicle, it can become an unintended secondary spring. This restricts suspension movement, reduces the suspension's ability to absorb bumps, and prevents the tire from maintaining consistent load, leading to harshness and unpredictable handling. Cutting factory bump stops, a common but inadequate solution, only amplifies harshness and ruins the carefully tuned suspension travel. In contrast, 034Motorsport Density Line Bump Stops are designed from the ground up for lowered vehicles, particularly those fitted with Dynamic+ Lowering Springs. They feature a reduced height (53mm vs. OE 70.5mm) and an increased durometer (55A vs. OE 50A) to provide a progressive compression profile. This profile acts like a miniature spring and damper, allowing for smooth, comfortable early travel while increasing firmness as the suspension approaches full compression, thereby restoring usable shock travel and keeping the suspension operating within its intended range. The result is improved chassis balance, stability, and significantly enhanced ride comfort. Their compression rate and progression are tuned to complement Dynamic+ Lowering Springs, maintaining handling balance and providing consistent, predictable performance. The product is made from OEM quality PUR (Polyurethane) material and includes one pair of bump stops. The part number interchange is listed as 1K0 412 303 B.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

Brand034Motorsport
Part Number034-403-1000
CategorySuspension and Components

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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