1. Chevrolet Climate Controls & Control Units To Buy
  2. sku: 11798352968952813
  3. CHEVROLET 504356

CHEVROLET 504356 Selector Switch Front Manual A/c

fits model: Cj3, Trailblazer. make: Chevrolet. year: 2005.

504356 Chevrolet Used A/c Selector Switch Fits 2005 Trailblazer Front Manual Opt Cj3 W

( Manufacturer Part Number: 504356 ), ( Model: TRAILBLAZER ), ( Placement On Vehicle: Front ), ( Color: Silver ), ( Type: Front Temperature Control ), ( Manufacturer Warranty: 90 Day ), ( Core Charge: 1.00 Which Is Included In The Total Price ), ( Genuine Oem: Yes ), ( Interchange Item Code: 655 ), ( Partout Id: A-126443026 ), ( Seller Notes: Rh, Gry Tl ), ( Compatibility: Navigator 09-14, R. ), ( Aps Optimization: Ci / Is / Vw )

Review CHEVROLET Used A/c Selector Switch Front Manual Opt fits TRAILBLAZER CJ3 2005

The **Chevrolet 504356 A/C Selector Switch** for the **2005 Chevrolet Trailblazer (Front Manual, Opt/CJ3)** is a precision-engineered climate control component designed to deliver seamless operation of the vehicle s air conditioning and heating systems. This high-quality switch is specifically tailored to fit the front console of the Trailblazer, ensuring an exact match with the factory installation. Crafted with durable materials, it features a robust metal housing and a smooth, ergonomic lever mechanism that allows for effortless adjustment between modes such as **A/C, Defrost, Front/Defrost, Rear, and Fan Speed settings**. The switch is equipped with a **clear, easy-to-read label** with distinct markings for each function, ensuring intuitive operation even in low-light conditions. Its **reliable electrical contacts** guarantee consistent performance, preventing intermittent failures that can disrupt climate control. Whether adjusting for optimal comfort in summer heat or clearing foggy windows in winter, this switch provides the precision and responsiveness drivers expect from a Chevrolet vehicle. Perfect for replacement or upgrade, it maintains the original functionality of the factory unit while offering enhanced durability and a polished finish that complements the interior aesthetics of the Trailblazer.

### **Pros and Cons of buying a Chevrolet 504356 A/C Selector Switch (2005 Trailblazer, Front Manual, CJ3)**

#### **Pros:**

1. **Direct Compatibility** This part is specifically designed for the 2005 Chevrolet Trailblazer, ensuring a proper fit without modifications. The "CJ3" designation confirms it matches the front manual climate control system in that model year.

2. **Reliability and Durability** Chevrolet s aftermarket parts are generally built to meet or exceed OEM standards, reducing the risk of premature failure. A properly functioning A/C selector switch prevents issues like erratic temperature control or complete climate system failure.

3. **Easy Installation** Since it s a direct replacement, installation typically requires minimal effort, often just unplugging the old switch, removing a few screws, and wiring in the new one. No major electrical or mechanical adjustments are usually needed.

4. **Cost-Effective Repair** Replacing a faulty A/C selector switch is far cheaper than overhauling the entire climate control system or replacing the entire dashboard. This part is a common wear item, and its failure is often the result of normal use or electrical wear.

5. **Prevents Further Damage** A failing selector switch can cause intermittent power loss to the A/C compressor or blower motor, potentially damaging other components if left unaddressed. Replacing it early avoids more expensive repairs down the line.

6. **Widely Available** As an OEM or high-quality aftermarket part, it can be sourced from multiple suppliers (e.g., RockAuto, Amazon, local auto parts stores), ensuring availability and competitive pricing.

7. **Improves Functionality** If the original switch was malfunctioning (e.g., sticking, not responding to inputs), replacing it restores full control over the A/C system, including fan speed, temperature settings, and defrost functions.

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#### **Cons:**

1. **Potential Counterfeit Parts** Some aftermarket parts, especially those purchased from untrusted sellers, may be counterfeit or of inferior quality. This could lead to early failure or poor performance. Always buy from reputable suppliers.

2. **Electrical Issues** If the wiring harness or connectors are damaged, the new switch may not function correctly. A thorough inspection of the wiring and connectors is recommended before installation.

3. **Limited Lifespan** While durable, plastic switches (even OEM parts) can wear out over time due to frequent use or exposure to moisture. The lifespan depends on driving habits and environmental conditions.

4. **Installation Challenges** In some cases, the switch may be located in a tight space, making removal or installation difficult for inexperienced DIYers. If unsure, consulting a professional mechanic may be necessary.

5. **Price Variability** Prices can fluctuate based on the seller, brand, and demand. While generally affordable, some aftermarket options may be more expensive than OEM parts, especially if purchased from premium suppliers.

6. **Compatibility Confusion** The "CJ3" designation is crucial, but misreading it could lead to purchasing an incompatible switch (e.g., one for the rear manual controls or a different model year). Always verify the part number and application before buying.

7. **No Warranty on DIY Installation** If installed incorrectly, the part may fail prematurely. Some suppliers offer warranties, but labor issues are not typically covered unless done by a professional.

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### **Conclusion:**

The **Chevrolet 504356 A/C selector switch (2005 Trailblazer, front manual, CJ3)** is a practical and cost-effective solution for restoring proper functionality to a malfunctioning climate control system. Its direct compatibility, ease of installation, and affordability make it a strong choice for most owners facing this issue. However, potential buyers should prioritize purchasing from trusted sources to avoid counterfeit parts and ensure long-term reliability. If mechanical or electrical uncertainties arise during installation, consulting a professional is advisable to prevent further complications.

### **Recommendation:**

- **Buy from a reputable supplier** (e.g., RockAuto, AutoZone, or a trusted online retailer) to ensure authenticity and quality.

- **Inspect the wiring and connectors** before installation to rule out electrical issues that could cause the new switch to fail.

- **Follow the installation instructions carefully**, and if unsure, seek assistance from a mechanic.

- **Consider purchasing an OEM or high-quality aftermarket part** (e.g., Dorman, Delphi, or Mann Filter) for better longevity.

- **Test the switch thoroughly** after installation to confirm it functions as intended (e.g., smooth operation, proper fan speeds, and temperature control).

For most DIY-savvy owners, this replacement is a straightforward and worthwhile fix. If the issue persists after replacement, further diagnosis of the climate control module or wiring may be necessary.

Details:

Manual transmissions follow the same procedure as above if applicable. Engine warranty is contingent upon installation of new intake manifold gaskets. Transmissions:Replace the following with new parts: front pump and output shaft seals, pan gaskets filter. 90 Day Replacement Warranty.

Warranty covers slippage, shifting failures and/or bearing noise. Warranty is not transferable. 4.This part may have accessories that are attached and must be removed or switched for proper installation. Shearing or breaking of teeth in a standard transmission is not warranted under any circumstances.

The words un examined or unchecked on the delivery note/docket are not acceptable. Manufacturer Brand: Color: Position: Fitment Notes. FAQ's: here. Flush or replace transmission cooler and lines.

Clear all computer fault codes. Front manual opt CJ3 w/rear defrost. Adjust shiftier and kick down cables linkage if applicable. Every part is cleaned, tested and inspected by experts.

D Failure caused by or related to collisions, theft, vandalism any act of God. 3.Warranty is valid to original purchaser only. Menu .: 6 MONTH MONEY BACK GUARANTEE. Engine installations follow the procedures:Replace following parts if applicable: timing belt, water pump, thermostat, spark plugs, fluids, oil pan gasket, and filter.

All the above installation should be in accordance with manufacturer guidelines including proper quantity and fill levels of fluids any technical service bulletins updates. This part fits vehicles made in the following years 2003 ,2004, 2005 ,2006,2007,2008,2009. Unless specified as Universal this is a direct fit A/C Selector Switch. B Failure caused by towing a trailer unless your vehicle is rated the manufacturer for.

part #: 504356 prices

  • $75.33-$107.00

specifications chvyacheatercontrols:

  • for models: Cj3, Trailblazer
  • for makes: Chevrolet
  • for years: 2005
  • mpn: 504356
  • model: Trailblazer
  • placement on vehicle: Front
  • color: Silver
  • type: Front Temperature Control
  • manufacturer warranty: 90 Day
  • core charge: 1.00 Which Is Included In The Total Price
  • genuine oem: Yes
  • interchange item code: 655
  • partout id: A-126443026
  • seller notes: Rh, Gry Tl
  • compatibility: Navigator 09-14, R.
  • aps optimization: Ci / Is / Vw

seller chvyacheatercontrols:

  • rating: 98.1%
  • # reviews: 1202
  • city: Bloomfield, Iowa

payments chvyacheatercontrols:

  • other
  • credit card: Visa
  • wallet: Paypal

offer chvyacheatercontrols:

  • options: Ship-to-home
  • sold: 0
  • best offers: True
  • availability: In Stock
  • quantity: 1
  • started: May 7, 2026

returns chvyacheatercontrols:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 60 Days

shipping chvyacheatercontrols:

  • cost: $0.00
  • carrier: USPS
  • transit: 6-12 Days
  • class: Expedited
  • type: Fixed
  • service: USPS Priority Mail

general chvyacheatercontrols:

  • condition: Used
  • Car Truck Parts Accessories > Air Conditioning Heating > HVAC Controls Control Units
for models: cj3, trailblazer, for makes: chevrolet, for years: 2005, placement on vehicle: front, type: front temperature control, manufacturer warranty: 90 day, core charge: 1.00 which is included in the total price, genuine oem: yes, interchange item code: 655, partout id: a-126443026, seller notes: rh, gry tl, compatibility: navigator 09-14, r., aps optimization: ci / is / vw,
manufacturer: chevrolet, category: auto parts > car truck parts accessories > air conditioning heating > hvac controls control units, color: silver, sku: 11798352968952813,
Chevrolet 504356 Is Similar To:
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5 offers $75.33–$107.00 USD
  • Used. Offer #1 priced at $75.33 + $0.00 shipping estimate = $75.33* total. A/C Selector Switch Unless specified as Universal this is a direct fit A/C Selector Switch.FREE SHIPPING
  • Used. Offer #2 priced at $107.00 + $0.00 shipping estimate = $107.00* total. FREE SHIPPING
  • Used. Offer #3 priced at $95.90 + $0.00 shipping estimate = $95.90* total. front manual opt CJ3 ID 10395426,front manual opt CJ3 ID 25945046.FREE SHIPPING
  • Used. Offer #4 priced at $124.90 + $0.00 shipping estimate = $124.90* total. FREE SHIPPING
  • Used. Offer #5 priced at $90.00 + $0.00 shipping estimate = $90.00* total. FREE SHIPPING

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