# Uni Air Filter Kit w/ TB Bracket for KLX/DRZ110 from 02-Present 40.5mm(1.6in)

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## Summary

- **Part number:** TRC-4782
- **Price:** $41.99 USD
- **Stock:** 8 left. This is a kit: the count is how many complete kits can be built from the parts on hand.
- **Product id:** 4782
- **Product last changed:** 2026-05-11

## What it fits

The store lists a part under each bike or engine model it is meant for (the categories below) and may name models in the description. Do not assume it fits a bike or engine that is not named here; ask the store first.

- [Japanese Mini Bike Parts > KLX 110 & DRZ 110 > Carb kits](https://tboltusa.com/store/klx-110-drz-110-carb-kits-c-100_123_127.md)
- [Pit Bike Engine Parts > Air Filters](https://tboltusa.com/store/pit-bike-engine-parts-air-filters-c-51_519.md)

Where a fitment line says "All", it means all years of the model named on that line, not all bikes.

## Description (the store's own text)

UNI air filter & TB bracket kit. Improves air flow by removal of stock air box. One of the best performance enhancements for the money!

**Key Features:**

- Includes mounting bracket to replace stock air box
- Economical modification that produces more power when re-jetted properly

**Application:**

- KLX110 - All years
- DRZ110 - All years

**Specifications:**

- Inside / Opening Diameter - 40.5mm
- Outside Filter Diameter - 100mm

**Kit Includes:**

- NU-2487ST - UNI air filter
- TBW1140 - TB airbox removal bracket

## Shipping and returns

- Flat rate shipping is $8 for parts orders under $75 and free for most parts orders over $75, within the continental 48 states. Heavy items (engines, complete bikes, suspension) are excluded.
- Full shipping policy: [Shipping policies](https://tboltusa.com/store/shipping-policies-i-6.md)
- Returns: the store's own policy page says how returns, exchanges and cancellations work. Please read it before buying: [Returns, Exchanges and Cancellations](https://tboltusa.com/store/returns-exchanges-and-cancellations-i-11.md) The page begins: "All products returned to T Bolt USA must be reviewed and approved."

## How to buy

For a person: open [Uni Air Filter Kit w/ TB Bracket for KLX/DRZ110 from 02-Present 40.5mm(1.6in)](https://tboltusa.com/store/uni-air-filter-kit-tb-bracket-for-klxdrz110-from-02-present-405mm16in-p-4782.html), choose any options, press "Add to Cart", then check out from the cart. Payment is only ever entered by the person, on tboltusa.com's own checkout pages.

For an AI assistant building a cart: `https://tboltusa.com/cart/new/item/4782/qty/1` starts one with this product (the first value of every option, qty 1), `https://tboltusa.com/cart/<cart_code>/add/item/4782/qty/1` adds it to a cart you already started, and `https://tboltusa.com/cart/<cart_code>/zip/<ZIP>` gives the shipping options to a US ZIP code. They answer JSON: give your customer the newest `cart_link`, a public cart link, safe to share.

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Payment: all major credit cards, PayPal, Apple Pay and Google Pay. Money orders by arrangement.

Cart: [Shopping cart](https://tboltusa.com/store/shopping_cart.php)

## Photos

- [Photo 1](https://tboltusa.com/store/img/p/4782/uni-air-filter-kit-tb-bracket-for-klxdrz110-from-02-present-405mm16in-1.png)

## Support

Since 2004, every purchase from TBolt USA includes access to technical support from our staff of experts and our online [Pit Bike Technical Info Database](https://tboltusa.com/store/tbolt-usa-pit-bike-minimoto-technical-info-database-tech-15.md)!

We have all necessary support parts on hand.

*Most* orders ship same, or next business day, unless otherwise noted above.