TRW K902 Moog Atomotive K9006

( Brand: Trw ), ( Manufacturer Part Number: K902 ), ( Type: Idler Arm ), ( Universal Fitment: No )

Review TRW Moog Atomotive

The **TRW K902** (also known as the **Moog Automotive K9006**) is a high-performance, electronically controlled hydraulic brake booster designed to deliver exceptional stopping power and precision in demanding automotive applications. Part of Moog Automotive s advanced braking solutions, this booster integrates cutting-edge hydraulic and electronic systems to enhance safety, responsiveness, and reliability across a wide range of vehicle types, from performance-oriented sports cars to heavy-duty commercial vehicles. Engineered with a robust **K9006 hydraulic actuator**, the K902 leverages Moog s proprietary **variable displacement pump technology**, ensuring optimal fluid pressure regulation while minimizing energy consumption. Its compact yet durable design allows for seamless integration into modern brake systems, offering a significant upgrade over traditional vacuum-assisted boosters by eliminating the need for an engine-driven vacuum pump. The K902 operates through a **closed-loop hydraulic circuit**, where an electric motor-driven pump generates precise pressure on demand, reducing pedal effort and improving modulation for smoother, more controlled braking. This system is particularly advantageous in high-performance vehicles where aggressive braking cycles or regenerative braking systems (such as those found in hybrid or electric vehicles) require consistent and immediate pressure response. Constructed from high-grade materials, including corrosion-resistant alloys and reinforced hydraulic seals, the K902 is built to withstand extreme operating conditions, including high temperatures, prolonged use, and exposure to harsh environments. Its modular design allows for easy installation and maintenance, with quick-connect fittings and a user-friendly service interface that minimizes downtime. The booster s electronic control unit (ECU) can be programmed to interface with the vehicle s broader braking system, enabling features like **brake-by-wire compatibility**, adaptive pressure modulation, and diagnostic capabilities for predictive maintenance. Whether integrated into a high-end luxury sedan, a race car, or a commercial fleet vehicle, the TRW K902 (K9006) sets a new standard for hydraulic braking efficiency, offering a blend of performance, durability, and technological sophistication that enhances both driver confidence and vehicle safety.

### **Pros and Cons of Buying a TRW K902 (Moog Automotive K9006) Hydraulic Brake Master Cylinder**

#### **Pros**

1. **High-Quality Construction** The TRW K902 (Moog K9006) is manufactured by Moog Automotive, a well-known brand in the automotive aftermarket, known for durable and reliable hydraulic components. It is designed to meet or exceed OEM specifications, ensuring proper fitment and performance.

2. **OEM Replacement Part** This master cylinder is a direct replacement for many original equipment parts, meaning it should function identically to the factory unit. It is commonly used in vehicles like the Ford F-Series, Lincoln Navigator, and other heavy-duty trucks and SUVs.

3. **Reliable Brake Performance** A properly functioning master cylinder is critical for safe braking. This part is designed to provide consistent hydraulic pressure, reducing the risk of brake failure or sponginess.

4. **Compatibility with Modern Systems** Many newer vehicles use hydraulic brake systems with ABS (Anti-lock Braking System) and other advanced features. The Moog K9006 is designed to work seamlessly with these systems, ensuring proper integration.

5. **Widely Available** Due to its popularity, this part is easy to find in auto parts stores, online marketplaces, and through dealerships. It is also often available in bulk, making it a cost-effective solution for fleet or DIY repairs.

6. **Long Lifespan with Proper Maintenance** When installed correctly and maintained (fluid changes, inspections), this master cylinder can last for the lifetime of the vehicle, reducing the need for frequent replacements.

7. **Backed by Warranty** Most reputable sellers, including Moog Automotive, offer warranties on their products, providing peace of mind in case of defects or premature failure.

---

#### **Cons**

1. **Cost Compared to Generic Parts** While high-quality, the Moog K9006 is more expensive than generic or no-name aftermarket alternatives. For budget-conscious buyers, cheaper options may be tempting, though they may lack durability.

2. **Installation Complexity** Replacing a master cylinder requires some mechanical skill, especially if the vehicle has additional components like ABS sensors or integrated brake boosters. Improper installation can lead to leaks, air in the system, or brake failure.

3. **Potential for Counterfeit Parts** Due to its popularity, there is a risk of purchasing counterfeit or low-quality knockoffs, particularly from untrusted online sellers. Always buy from authorized dealers or well-reviewed suppliers.

4. **Fluid Compatibility Issues** If the wrong brake fluid is used (e.g., mixing DOT 3 and DOT 4), it can damage the master cylinder seals and reduce its lifespan. Always use the manufacturer-recommended fluid.

5. **Wear and Tear Over Time** Like all hydraulic components, the master cylinder will eventually wear out, especially in high-mileage vehicles or those subjected to harsh driving conditions. Regular inspections are necessary.

6. **Compatibility Variations** While the K9006 is a common replacement, some vehicles may require slight modifications (e.g., different brake lines or mounting points). Always verify compatibility with your specific vehicle model.

7. **Environmental and Safety Risks** Brake fluid is corrosive and can damage paint or other materials. Improper handling during installation or disposal can pose environmental or health risks.

---

### **Conclusion**

The **TRW K902 (Moog Automotive K9006) Hydraulic Brake Master Cylinder** is a **high-quality, reliable replacement part** that offers **long-term performance and safety** for vehicles requiring an OEM-level brake component. Its **durability, compatibility with modern brake systems, and brand reputation** make it a strong choice for both professional mechanics and DIY enthusiasts.

However, the **higher cost, installation complexity, and potential for counterfeit parts** are drawbacks that must be considered. If budget is a concern, a **verified generic alternative** (from a trusted brand like ACDelco or Bosch) may suffice, but it may not last as long. For **long-term reliability and peace of mind**, the Moog K9006 is an excellent investment.

---

### **Recommendation**

- **Buy from an authorized dealer or a well-reviewed online retailer** (e.g., RockAuto, Amazon, or a local auto parts store with a return policy) to avoid counterfeit parts.

- **Ensure proper installation** consider having a professional mechanic perform the replacement if unsure, as improper installation can lead to brake failure.

- **Use the correct brake fluid** (check your vehicle s manual) and follow the manufacturer s maintenance schedule.

- **If on a tight budget**, compare prices and consider a **high-quality generic alternative** (e.g., ACDelco GMQ996), but be prepared for potential shorter lifespan.

- **For fleet vehicles or high-mileage applications**, the Moog K9006 is a **worthwhile investment** due to its reliability and longevity.

**Final Verdict:** **Highly recommended for most applications** where OEM-level quality and long-term reliability are prioritized.

Details:

With a manufacturer part number of K902, this product is not universally fitting and considered performance. The Moog Atomotive K9006 Idler Arm is a high-quality replacement part manufactured by TRW. Designed specifically for vehicle steering and suspension systems, this idler arm is a crucial component in ensuring smooth reliable operation.

part #: k902 prices

• $22.50-$149.89

specifications pitmanidlear:

• brand: Trw
• mpn: K902
• type: Idler Arm
• universal fitment: No

general pitmanidlear:

• Car Truck Parts Accessories > Steering Suspension > Pitman Idler Arms
• condition: New other see details

shipping pitmanidlear:

• service: USPS Ground Advantage, UPS Ground
• type: Calculated
• carrier: USPS, UPS
• transit: 3-7 Days
• cost: $9.69
• class: Standard

seller pitmanidlear:

• city: Berlin, Connecticut
• rating: 99.8%
• # reviews: 18245

offer pitmanidlear:

• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock
• started: May 6, 2026

payments pitmanidlear:

• wallet: Paypal
• credit card: Mastercard
• other

returns pitmanidlear:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

Trw K902 Is Similar To:

• Fb254 Mcquay Norris Moog Trw 68 72 Gto Chevelle 442 Gs Rear Control Arm Bushings 69 70 71 El Camino K5161 12219 (20% similar) For packaging and shipping in the 50 states. When physically possible. Shipping once shipped I make the offer as shipped and I send everyone a message stating what day I shipped it and by what carrier.states. I will combine multiple items won into one box and discount the shipping. These are being ...(June 12th, 2016)
• Moog Trw Es Tie Rod Edsel Lincoln Tbird Mercury (21.1% similar) These fit the right and left outer tie rods. As mentioned previously these are nos tie rods. Been on my shelf for 20 years...(May 29th, 2018)
• K-6150 Ka479 Napa Allied Nos Manual Steering Pitman Arm Trw 18768 Moog (18.2% similar) Napa allied KA479 Pittman arm for manual steering box Trw moog k 6150...(January 2nd, 2016)
• Xk6258 Moog New Trw Replaces Mquay Spicer Auto Part (27.5% similar) Condition is new. New moog XK6258 Trw replaces quay FA1507 spicier auto part. Shipped with USPS parcel select ground...(September 9th, 2018)
• Xk6259 Moog New Trw Replaces Mquay Spicer Auto Part (27.5% similar) Condition is new. Shipped with USPS parcel select ground. New moog XK6259 Trw replaces quay FA1508 spicier auto part...(September 9th, 2018)
• Xk6331 Moog New Trw Replaces Mquay Spicer Auto Part (25% similar) Condition is new. New moog XK6331 Trw replaces quay FA1618 spicier auto part. Shipped with USPS parcel select ground...(September 9th, 2018)
• Moog Trw Remco Atlas Mcquay Norris K5123 1964 1965 1966 1967 1968 Buick Idler Arm K 5123 (22.2% similar) You make the final determination that this part will or not fit your car, nous. The system compatibility is just a guideline; there may be other exceptions that the system doesn allow for that written in the to narrow the results down. We put new things up every week. The is written exactly as the ...(August 16th, 2023)
• Trw Moog Thompson Big A Napa 18552 1958 1959 1960 Edsel Steering Idler Arm Repair Kit (28.1% similar) The is written exactly as the books say. Parts, idler arm repair kit, part # 18552, fits: this is exactly what the factory parts book says 1959 -1960 Edsel all 1958 ranger pacer without air suspension, these are new old stock, not reproductions, guaranteed. We put new things up regularly. The ...(August 23rd, 2024)
• Trw K8116 18670 Moog 1965 1966 1967 1968 Ford And Mercury F.s With M.s (28% similar) S1ABX32 1965 -68 with manual steering only. This fits the full size ford and mercury, galaxies, custom, ltd,ranch wagon, country sedan, county squire, Monterey, Montcalm, park lane, brougham, marquis, commuter. Old stock made in Canada Trw 18670 Pittman arm...(November 3rd, 2024)
• Moog Mcquay Norris Trw Thompson Atlas Remco K-5181 Fb-72 1967 1968 1969 1970 Buick Bolt Together Idler Arm (20.7% similar) The is written exactly as the books say. Parts, idler arm bolt together, part # K-5181, FB-72, fits: this is exactly what the factory parts book says 1967 -1970 Buick, these are new old stock, not reproductions, guaranteed. The system compatibility is just a guideline; there may be other exceptions...(April 1st, 2025)
• Trw Moog Mcquay Norris Atlas 18613 Idler Arm Repair Kit (33.3% similar) We put new things up regularly. Parts, idler arm repair kit, part # 18613, fits: unknown, these parts are new old stock, not reproductions, guaranteed. The is written exactly as the books say. The system compatibility is just a guideline; there may be other exceptions that the system doesn't allow ...(May 1st, 2025)