TKL FAQ

The main types are:

Refrigerant Dryers: Most common, cool air to remove moisture.

Desiccant Dryers: Use absorbent media for extremely dry air, often in severe climates.

Membrane Dryers: For specialty applications.

Cartridge vs. Spin-on: Different maintenance styles.

Choice depends on your fleet size, climate, and maintenance preferences. Our guide on “truck air dryer types” can help.

These numbers refer to the effective diaphragm area in square inches. Type 20/24 are common for steering axles, while Type 30/36 provide more power for drive axles. Selecting the correct “brake chamber type” is critical for braking force and DOT compliance.

The AS-1138 is a manual slack adjuster standard. It’s adjusted by rotating its adjusting nut to set proper brake shoe-to-drum clearance. It requires regular manual inspection, unlike automatic slack adjusters.

Yes, TKL Truck Parts is a leading supplier of fan clutches (both viscous and on/off types) from top brands. We offer competitive wholesale and fleet pricing for bulk purchases. Contact our sales team for a quote tailored to your fleet size.

Part #107430 is a specific brake shoe or hardware kit. Its application is axle-specific based on size and design. Our product page lists all compatible axle positions and models—never interchange without verification.

Part #277148 is commonly associated with truck air system components, often related to air dryer mounting brackets or coolant system fittings. Check the product category or description on our site for confirmation.

Replacement intervals vary by “truck air dryer type” and operation. A general rule is every 1-2 years or 100,000-150,000 miles. Watch for signs like excessive purging, water in air tanks, or rising pressure drop.

Using the correct slack adjuster ensures proper brake stroke and force translation. An incorrect type or length can cause under-braking, over-stroking, or uneven wear, leading to safety risks and failed inspections.

EXW, FOB, CFR, CIF.

T/T 30% as deposit, and 70% before delivery. 

30-60 days after receiving deposit payment.

Standard export boxes. If you have specific requests, please tell us.

Yes. If you can provide samples, we will evaluate and discuss how to cooperate and develop new products.

At TKL, we maintain rigorous quality control at every stage. This begins with carefully selecting reliable raw material suppliers. During production, we implement a comprehensive inspection system covering incoming materials, in-process checks, and finished product validation. We utilize advanced testing equipment to accurately measure key indicators like dimensions, strength, and durability. Our team is regularly trained to ensure every part meets the high standards our customers expect.

TKL Truck Parts offers a wide range of durable brake chambers for sale, suitable for various heavy-duty applications. As a professional manufacturer, we supply both service and parking brake chambers that meet or exceed OEM standards. Whether you need chambers for steer, drive, or trailer axles, our products are built with first-grade materials to ensure consistent performance and safety. Contact us for bulk pricing and fleet discounts .

While manual slack adjusters require periodic adjustment, modern vehicles primarily use automatic slack adjuster types for convenience and safety. These are generally divided into clearance-sensing and stroke-sensing adjusters . Clearance-sensing types monitor the distance between the brake shoe and drum, while stroke-sensing types measure the push-rod travel to maintain proper brake balance and reduce maintenance needs .

AS1138 slack adjuster is a specific model of automatic slack adjuster commonly used in heavy-duty air brake systems. Its function is to automatically maintain the correct clearance between the brake shoes and the drum as the linings wear. By doing so, it ensures consistent braking efficiency, reduces the need for manual adjustments, and helps extend the life of brake components .

Truck's air brake system utilizes several brake valve types, each with a specific function. Key types include the treadle (foot) valve which the driver operates, relay valves that speed up brake application on rear axles, quick release valves for faster brake release, and protection valves that isolate the air system in case of a major leak to preserve pressure for braking.

Part number 109615x is a specific cross-reference often associated with a heavy-duty brake chamber or a related component in the slack adjuster assembly. To ensure perfect compatibility for your vehicle, please consult our product catalog or contact our sales team with your truck's make and model. We can help you verify if this is the correct replacement part for your needs.

Air shift valve is a pneumatic control component typically used to engage or disengage auxiliary systems, such as a front axle locking differential or a power take-off (PTO) unit. It directs compressed air to an actuator, which then mechanically shifts the component into the desired mode. This allows the driver to control these systems with a simple dashboard switch.

Part number k160648scbxw is a specific identifier for a heavy-duty component, likely related to a fan clutch or a water pump assembly used in major truck brands. Given the specificity of this part, it is best to verify its application directly. Please provide our team with your vehicle's VIN or engine specifications, and we can confirm compatibility and availability.

This is a common question. While 109615 and 109615x are closely related, the "x" suffix typically denotes a design revision, a specific kit, or a variation in the component's configuration. It is crucial to confirm your exact requirements, as they are often not directly interchangeable. Our parts specialists can assist you in identifying the correct version for your specific truck model to avoid installation issues.

Part number k092010 is commonly associated with a specific air dryer cartridge or a service replacement kit for a particular brand of air dryer. It is a maintenance item that needs periodic replacement to ensure your truck's air system remains free of moisture and contaminants, which protects other components like brake valves and chambers.