GM GENUINE PARTS 20936180 Secondary Air Pump Injection Inlet Hose

( Brand: Gm Genuine Parts ), ( Manufacturer Part Number: 20936180 ), ( Part Type: Pump Hose ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Make: Cadillac ), ( Year: 2013 2014 ), ( Parts Included: Only Part Reference 9 On The Diagram Is Included )

Review GM GENUINE PARTS Secondary Air Injection Pump Inlet Hose fits 2013–2014

The **GM 20936180 Secondary Air Injection Pump Inlet Hose** is a precision-engineered component designed to facilitate the efficient operation of a vehicle s secondary air injection system, a critical element in modern emissions control technology. This high-performance hose connects the secondary air pump to the intake manifold or exhaust system, ensuring a steady and regulated flow of air into the engine s exhaust ports during cold starts or deceleration events. Crafted from durable, heat-resistant synthetic rubber with reinforced braided or woven fiber construction, the hose is engineered to withstand the harsh conditions of high-temperature exhaust gases, engine vibrations, and the constant cycling of air pressure. Its robust design prevents kinking, cracking, or premature wear, which could compromise the system s ability to reduce harmful emissions by injecting additional air into the exhaust stream, promoting more complete combustion and lowering hydrocarbon and carbon monoxide levels. The GM 20936180 is a direct-fit replacement for OEM applications, ensuring compatibility with a wide range of General Motors vehicles equipped with secondary air injection systems, including models from the late 1990s through the early 2000s. Whether installed in a classic muscle car, a reliable pickup truck, or a dependable SUV, this hose plays a vital role in maintaining optimal engine performance while adhering to stringent emissions regulations. Its seamless integration with the air injection system underscores its importance in both performance and environmental responsibility, making it an indispensable part of any vehicle s exhaust aftertreatment setup.

**Pros and Cons of buying a GM 20936180 Secondary Air Injection Pump Inlet Hose**

1. **Direct Compatibility** This part is specifically designed for General Motors vehicles, ensuring a proper fit without modifications. It is engineered to work seamlessly with the secondary air injection system, which is critical for emissions control in older GM engines (commonly found in vehicles from the late 1980s through the early 2000s).

2. **Reliability** GM s aftermarket and OEM parts are generally built to withstand the operating conditions of the vehicle s engine bay. A high-quality hose reduces the risk of leaks, cracks, or premature failure, which could lead to check engine lights or poor emissions performance.

3. **Ease of Installation** Since it is a direct replacement, installation typically requires minimal effort. Most users can replace it themselves with basic tools, saving labor costs associated with professional repairs.

4. **Cost-Effective Fix** Compared to replacing the entire secondary air injection system or dealing with persistent emissions-related issues, this hose is a relatively inexpensive component. Replacing a faulty hose is often cheaper than diagnosing broader system failures.

5. **Prevents Further Damage** A failing secondary air injection pump hose can lead to air leaks, reduced engine efficiency, or even damage to the pump itself. Replacing it proactively can prevent more costly repairs down the line.

6. **Improves Emissions Performance** The secondary air injection system helps reduce harmful emissions by injecting air into the exhaust manifold during engine startup and deceleration. A functional hose ensures the system operates correctly, helping the vehicle pass emissions tests.

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1. **Age and Wear of Other Components** If the vehicle is older, other parts of the secondary air injection system (such as the pump, solenoid, or wiring) may also be worn out or failing. Replacing just the hose might not fully resolve emissions issues if the system is degraded overall.

2. **Potential Counterfeit or Low-Quality Parts** Purchasing from untrusted sellers (especially online marketplaces) could result in a counterfeit or substandard part. A poor-quality hose may fail quickly, leading to repeated replacements or further problems.

3. **Limited Availability of GM-Specific Parts** Depending on the vehicle s age and rarity, finding genuine GM parts (or even aftermarket equivalents) may be difficult. Some sellers may offer non-GM alternatives that may not fit perfectly or perform as expected.

4. **Labor Time for Older Vehicles** In some cases, accessing the secondary air injection system requires removing other components (e.g., exhaust manifolds, brackets, or engine covers). This can make installation more time-consuming, especially for DIYers without experience working on older GM engines.

5. **Check Engine Light Persistence** If the issue causing the check engine light is not just the hose but also related to the PCM (Powertrain Control Module) or wiring, replacing the hose alone may not clear the code. A scan tool and further diagnostics may be necessary.

6. **Environmental Factors** Hoses in older vehicles are often exposed to heat, oil, and exhaust fumes, which can accelerate wear. Even a new hose may degrade faster if the vehicle is driven in harsh conditions (e.g., extreme temperatures, off-road use).

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The GM 20936180 secondary air injection pump inlet hose is a straightforward and cost-effective solution for addressing leaks or failures in the secondary air injection system. It is a reliable choice for vehicles where this component is known to fail, particularly in older GM models. However, it is essential to consider whether the rest of the system is in good condition and to source the part from a reputable supplier to avoid counterfeit or low-quality replacements.

If the vehicle has persistent emissions-related issues beyond just the hose, a more comprehensive inspection of the secondary air injection system (including the pump, solenoid, and wiring) may be warranted. Additionally, ensuring the PCM is functioning correctly and that no other sensors are triggering false codes is crucial for long-term reliability.

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1. **Verify Compatibility** Double-check that the part number (20936180) matches your vehicle s make, model, and year. Cross-reference with your vehicle s service manual or a trusted parts database to confirm it is the correct fit.

2. **Purchase from a Trusted Source** Buy the hose from an authorized GM parts dealer, an established auto parts retailer (e.g., RockAuto, AutoZone, or local GM dealership), or a well-reviewed online marketplace. Avoid suspiciously cheap deals that may indicate counterfeit goods.

3. **Inspect the System** While replacing the hose, take the opportunity to inspect the secondary air injection pump, solenoid, and associated wiring for signs of wear, corrosion, or damage. Replace any failing components to prevent future issues.

4. **Clear Codes After Replacement** After installing the new hose, use an OBD-II scanner to clear any related check engine lights. If the light returns, further diagnostics may be needed to identify the root cause.

5. **Monitor Performance** Drive the vehicle and observe for improvements in emissions performance, engine startup, and any lingering check engine lights. If issues persist, consult a mechanic to diagnose additional problems.

6. **Consider Professional Installation** If you are unsure about working on the secondary air injection system or if the vehicle s engine bay is particularly tight, consider having a mechanic perform the replacement to ensure proper installation and avoid accidental damage to other components.

In summary, the GM 20936180 hose is a practical and necessary replacement for many older GM vehicles experiencing secondary air injection issues. With careful sourcing and additional system checks, it can effectively resolve hose-related problems and contribute to better emissions performance.

Details:

Notes: Master DECs: HOSE ASM Assembly ASM SECD AIR INJN Injection INJN PUMP INL original GM design intent. Changed My Mind. Also known as: Air Inlet Tube. Type: Emission Control Parts.

Found a Better Price. Function: Transfers secondary air to the injection pump support exhaust emissions control and system operation. Just Didn't Like it.

part #: 20936180 prices

• $78.91-$93.16

specifications emissyste:

• for years: 2013-2014
• brand: Gm Genuine Parts
• mpn: 20936180
• part type: Pump Hose
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• make: Cadillac
• year: 2013 2014
• parts included: Only Part Reference 9 On The Diagram Is Included

shipping emissyste:

• type: Fixed
• transit: 4-11 Days
• class: Standard
• service: FedEx Ground / FedEx Home Delivery
• cost: $0.00
• carrier: FedEx

offer emissyste:

• availability: In Stock
• options: Ship-to-home
• started: March 16, 2026
• sold: 0
• quantity: 2

seller emissyste:

• # reviews: 29499
• city: Garland, Texas
• rating: 99.0%

general emissyste:

• condition: New
• Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts

payments emissyste:

• wallet: Google-pay
• credit card: Visa
• other

returns emissyste:

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

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