Finding the right motor and transmission mounts is essential to reduce vibration, preserve alignment, and keep engine performance steady when swapping or repairing Pontiac-to-Chevy setups. This guide highlights five well-suited options for common 2005–2011 GM compact and mid-size platforms. Best for daily drivers and DIY enthusiasts who want reliable vibration control without professional installation costs. The top picks cover G5, Cobalt, HHR, Aveo, Equinox, Torrent, and related models. A quick summary table follows to compare key points at a glance.
| Product | Best For | Notes |
|---|---|---|
| SHICHU Engine Motor Mount | 2005–2010 Cobalt / HHR / G5 / Ion | OE-number compatibility listed; multiple fitments |
| Rockplanet Engine & Transmission Mount Kit | 2006–2011 Impala / Monte Carlo | Comprehensive kit including front and rear mounts |
| PHILTOP 3PCS Engine Mount Kit | 2005–2010 Cobalt / 2006–2011 HHR / G5 | Three-piece kit with multiple OE-number references |
| loongrie Engine Motor and Transmission Mount Kit | Aveo / G3 / Pontiac Wave family | Broad Aveo/G3 compatibility; strong OE-number references |
| Axiovate Engine & Transmission Mount Set | Chevy Cobalt / HHR / G5 / Saturn Ion / Pontiac G5 | Set of 3 with robust compatibility mapping |
SHICHU Engine Mount for Chevy/G5/Pontiac G5 Ion HHR
Best for: 2007–2010 Pontiac G5 and 2005–2010 Chevy/Cobalt/HHR with 2.0–2.4L engines. This kit replaces multiple OE numbers (3086 A5374 15940092 22722617 22731274 25973870 3081 A3081 15926983 22693268 25973863 3109 A5385 EM4158), simplifying compatibility checks. It suits buyers seeking a direct replacement with broad engine-mount coverage in a single purchase.
Limitations: Confirm the exact year/model as listed interchanges vary by transmission type and engine family; verify fitment with the vanishingly small differences in vehicle VINs before ordering.
Rockplanet Engine Mount And Transmission Mount Kit
Best for: 2006–2011 Chevy Impala and 2006–2007 Monte Carlo with V6 3.5L engines. This kit includes multiple mounts (1x transmission mount, 2x front torque strut mounts, 1x front right engine mount, 2x engine mounts) and interchanges with several part numbers (A2818, A5372, A2906, A5263).
Limitation: Designed for specific GM mid-size vehicles; verify that your VIN matches the listed interchange numbers to avoid fit issues.”
PHILTOP 3PCS Engine Mount Kit for Cobalt/HHR/G5
Best for: 2005–2010 Cobalt 2.2L, 2006–2011 HHR, 2005–2006 Ion 2.2L, and 2007–2009 G5. The kit covers OE numbers A5385, A5374, A3081 and related part numbers. It’s suitable for buyers who want a three-piece kit with cross-model compatibility and straightforward installation guidance.
Limitation: As with many aftermarket parts, confirm the Your Garage compatibility and verify part numbers against your vehicle to ensure precise fit.
Engine Motor And Transmission Mount Kit For Aveo / G3 / Wave
Best for: 2004–2017 Chevy Aveo and 2007–2010 Pontiac G3/G3 Wave, Wave5. This kit targets 1.6L engines and includes multiple OE references (A5350HY, A5351, A5378, EM3113, EM3114, EM3115). It’s advantageous for owners performing broad engine-mount replacements across a family of small GM vehicles.
Limitation: The long model span means cross-check specific engine code and year to confirm compatibility for a precise fit.
Axiovate Engine Motor And Trans Mount Set
Best for: Chevy Cobalt 2.2L/2.4L, HHR 2.0L/2.2L/2.4L, Pontiac G5 2.2L/2.4L, Saturn Ion 2.2L/2.4L (2005–2010 range). The set includes front right engine mount (A5385), left transmission mount (A3081), rear torque mount (A5374), and related OE numbers. It’s a robust choice when replacing multiple mounts in one purchase.
Limitation: The set emphasizes cross-model compatibility; always verify exact part numbers and vehicle year to ensure precise fit.
Buying Guide: Key Considerations For Pontiac-To-Chevy Mount Replacements
- Vehicle fitment accuracy: Always confirm OE numbers and cross-reference your VIN/year with the part numbers listed by the seller.
- Number of mounts included: Some kits are three-piece, others are six-piece. Choose based on how many mounts your vehicle actually uses.
- Engine and transmission type: Ensure the kit supports your engine size (2.0L, 2.2L, 2.4L, 3.5L V6) and transmission type (manual/automatic) to avoid misfit.
- Material and build quality: Look for iron-aluminum cores and vulcanized rubber components for longer life and vibration dampening.
- Installation considerations: Some kits require aligned mounting points and precise torque; refer to your vehicle service manual and consider professional assistance if needed.
- Return and warranty policy: Check the seller’s return policy in case the part does not fit your exact model year.
FAQ
- Q: How do I know if a motor mount kit fits my Pontiac or Chevy? A: Check the OE part numbers listed (A5374, A3081, A5385, etc.) and match them to your vehicle’s year, make, and model as shown by the listing.
- Q: Are these kits suitable for automatic and manual transmissions? A: Yes, several listings include mounts for both engine and transmission applicable to automatic transmissions in the specified GM models.
- Q: Can I replace only one motor mount? A: Replacing a single mount can address vibration, but a kit is often recommended when multiple mounts show wear or when the vehicle has high mileage.
- Q: Do these kits come with installation instructions? A: Listings typically reference compatibility and part numbers; installation guides may be included with the kit or available from the manufacturer’s support.
- Q: Will this affect alignment or warranty? A: Replacing mounts can influence alignment slightly; it’s best to have a post-install alignment check. Warranty terms vary by seller and product.
- Q: How important is cross-model compatibility? A: Cross-model compatibility helps when a manufacturer lists several GM models that share the same mount design, but always confirm exact part numbers to avoid mismatches.