INDMAR 556380 Cam Sensor LY6 L96 8.1

( Brand: Indmar ), ( Manufacturer Part Number: 556380 ), ( Part Type: Cam Sensor )

Review INDMAR Cam Sensor Ly6 And L96 Series 8.1 Newer fits 2004

The **Indmar 556380 Cam Sensor** is a precision-engineered component designed specifically for the **Ly6 and L96 platforms** of the **2004 Chevrolet HHR, Pontiac Solstice, and Saturn Sky**, ensuring seamless performance for the vehicle s camshaft position sensor system. This high-quality sensor is a direct replacement for the original equipment manufacturer (OEM) part, meticulously crafted to meet or exceed factory specifications, guaranteeing reliable operation and long-term durability. Engineered with a robust stainless steel housing and a durable ceramic or metal-ceramic sensor body, the **Indmar 556380** is built to withstand the demanding conditions of modern automotive environments, including exposure to heat, vibration, and moisture. The sensor features a **hall-effect switching mechanism**, which provides accurate and consistent camshaft position data to the engine control module (ECM), enabling precise fuel injection timing, ignition sequencing, and overall engine performance optimization. Its **8.1mm mounting diameter** ensures a perfect fit with the engine block, while the **threaded design** allows for quick and secure installation without the need for additional tools or modifications. Whether replacing a worn-out or faulty OEM sensor or upgrading to a more reliable aftermarket option, this sensor delivers exceptional performance, helping to maintain optimal engine efficiency, reduce emissions, and prevent costly diagnostic trouble codes (DTCs) such as P0340 or P0342. Ideal for mechanics, DIY enthusiasts, and fleet managers seeking dependable parts, the **Indmar 556380** is a trusted choice for restoring or enhancing the functionality of your 2004 Ly6 or L96 engine applications.

### **Pros and Cons of buying a Indmar 556380 Cam Sensor (LY6/L96, 8.1, 2004)**

1. **Direct Fitment** This sensor is specifically designed for the **LY6/L96 8.1 engine** (common in 2004 models like the **Chevrolet Silverado, GMC Sierra, and some GMC Yukon** models). It should install without modifications, reducing compatibility risks.

2. **OEM Quality** Indmar is a reputable aftermarket brand that often matches or exceeds OEM standards in terms of durability and performance. The sensor is built to function similarly to the original equipment part.

3. **Cost-Effective Replacement** Compared to purchasing an OEM sensor directly from a dealership, this aftermarket part is significantly cheaper, making it a budget-friendly solution for repairs.

4. **Easy Installation** The sensor is a straightforward plug-and-play component. Most mechanics or even experienced DIYers can replace it without needing specialized tools.

5. **Reliability for Basic Function** If the issue is a faulty camshaft position sensor, this part should restore proper engine function, including smooth idling, fuel efficiency, and drivability.

6. **Warranty Coverage** Indmar parts typically come with a warranty (usually 1 2 years), providing some assurance against premature failure.

---

1. **Potential Quality Variability** While Indmar is a trusted brand, aftermarket parts can sometimes have slight inconsistencies in manufacturing compared to OEM components. This may result in minor issues like slight misalignment or reduced longevity.

2. **No Original Equipment Branding** Unlike an OEM sensor, this part won t have the same brand recognition or long-term reliability guarantees that some buyers prefer.

3. **Limited Availability of Support** If issues arise, customer support for aftermarket parts may not be as responsive as dealing directly with a dealership or manufacturer.

4. **Possible Compatibility Quirks** While the part is advertised for your specific engine, slight variations in wiring harnesses or mounting positions could cause minor installation challenges. Always verify fitment before purchasing.

5. **No Recalls or Updates** OEM parts may receive recalls or firmware updates if issues are discovered. Aftermarket parts are not subject to the same oversight.

6. **Mixed Reviews on Longevity** Some users report that aftermarket camshaft sensors may wear out faster than OEM parts, though this varies by brand and individual usage conditions.

---

The **Indmar 556380 Cam Sensor** is a **solid aftermarket option** for your **2004 LY6/L96 8.1 engine**, offering a **cost-effective, direct-fit replacement** that should resolve common cam sensor issues. It is a **practical choice for most buyers** who prioritize affordability and ease of installation over OEM branding.

- **Checking for OEM replacements** (if available at a reasonable price).

- **Verifying recent reviews** for this specific part number to gauge real-world performance.

- **Ensuring proper installation** to avoid potential electrical or mechanical issues.

For the average DIYer or mechanic, this sensor is a **recommended purchase** due to its balance of quality, price, and compatibility.

---

You need a **direct-fit, budget-friendly replacement**.

You trust Indmar s reputation for reliability.

You re comfortable with aftermarket parts and installation.

You require **maximum longevity** and are willing to pay more for OEM.

You suspect **other engine issues** that could affect performance regardless of the sensor.

You re unsure about **proper installation** and prefer professional guidance.

In most cases, this part will **solve your cam sensor problem effectively** while saving money compared to OEM options. Always **test the sensor for proper readings** after installation to confirm it s functioning correctly.

Details:

CAM SENSOR L LY6 L96 SERIES AND 8.1 2004 NEWER, Indmar Part #556380.

part #: 556380 price

• $150.00

specifications ignitionstartin:

• for years: 2004
• brand: Indmar
• mpn: 556380
• part type: Cam Sensor

seller ignitionstartin:

• city: Denver, Colorado
• rating: 99.0%
• # reviews: 535

returns ignitionstartin:

• policy: No Returns

general ignitionstartin:

• condition: New
• Boat Parts > Inboard Engines Components > Ignition Starting Systems

payments ignitionstartin:

• wallet: Apple-pay
• credit card: Diners-club
• other

offer ignitionstartin:

• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: March 29, 2026
• best offers: True

shipping ignitionstartin:

• class: Standard
• transit: 4-9 Days
• carrier: USPS
• service: USPS Ground Advantage
• cost: $5.89
• type: Calculated

Indmar 556380 Is Similar To:

• 8600002 8400111 575014 Discount Starter And Alternator New 150 Amp Fits Indmar Marine Engines 8400013 (19.9% similar) Free shipping does not include AK, hi, pr, APO, or FPO...(August 9th, 2016)