PCB Soft Start T/S Mach 8. 47103A4051 / OLD:47103A305
Genuine Coleman Mach Air Conditioner Spare Part
Upgrade or repair your Mach 8 air conditioning unit with this authentic, high-quality soft start PCB designed to protect and prolong your compressor’s life.
Quick Facts
- Brand: Coleman Mach
- Part Number: 47103A4051 (Previous: 47103A305)
- Category: Air Conditioner Spare Parts
- Supplier: Coast To Coast (Genuine OEM part)
- Compatible with: Mach 8 air conditioning compressors
- Purpose: Protects and eases compressor startup strain
Who This Part is Best For
- Caravan and RV owners needing a reliable replacement for the Mach 8 soft start PCB
- Technicians and service professionals specialising in Coleman Mach air conditioners
- Anyone wanting to extend their air conditioner compressor’s lifespan and reduce electrical strain
Not Ideal For
- Air conditioning units other than Coleman Mach 8, as this part is model-specific
- DIY installations without professional electrical or HVAC knowledge
- Users seeking a full air conditioning system replacement rather than a spare part
Why Choose the Genuine PCB Soft Start T/S Mach 8?
This genuine OEM soft start PCB is precision-engineered to meet Coleman Mach’s exact specifications, ensuring seamless compatibility and maximum safety. By smoothing the initial power surge when your compressor starts, it helps prevent tripped circuits and equipment damage.
Choosing this part ensures you retain the trusted performance and reliability of your air conditioning system, avoiding potential faults common with aftermarket or generic alternatives. Backed by Coast To Coast, a reputable Australian supplier, you receive peace of mind alongside quality.
PCB Soft Start T/S Mach 8. 47103A4051 / OLD:47103A305
Check the current merchant listing for full product details, compatibility notes, dimensions, included items, and product-specific guidance before you buy.
Installation and Compatibility Guidance
This PCB is tailor-made for Coleman Mach 8 air conditioners. Installation is an electrical process requiring skill and safety precautions, so professional fitting is strongly recommended to avoid damage and ensure correct functionality.
Before ordering, compare your current PCB’s part number and your Mach 8 model details carefully to ensure this replacement is suitable. For safety and best results, always reference the product information on the merchant site linked below.
Trust and Quality Assurance
- Supplied directly from Coast To Coast, guaranteeing genuine Coleman Mach parts
- Designed to manage compressor startup currents safely and efficiently
- Supported by an established Australian supplier knowledgeable in caravan and RV parts
PCB Soft Start T/S Mach 8. 47103A4051 / OLD:47103A305
Check the current merchant listing for full product details, compatibility notes, dimensions, included items, and product-specific guidance before you buy.
Frequently Asked Questions
If your Mach 8 air conditioner struggles with power surges, takes longer to start, trips circuit breakers, or a technician has pinpointed the soft start PCB as faulty, then this part is likely the correct replacement. Confirm your existing PCB’s part number matches 47103A4051 or the old 47103A305 before ordering.
Due to the electrical nature and safety considerations of fitting PCBs, it is highly recommended that installation is carried out by a qualified professional. Improper installation can cause equipment damage or safety hazards and may void warranties.
This PCB Soft Start is specifically designed for Coleman Mach 8 models and will not fit or operate correctly with other air conditioning units. Always check your model and part numbers to ensure compatibility before purchase.

