Rear Axle Subframe Crossmember Beam for Honda: Civic

Check part compatibility by using our vehicle filter options below. If you find your car, this part is compatible.

The rear axle subframe crossmember beam is a critical structural component of your Honda Civic’s rear suspension system, supporting the rear wheels, trailing arms and linking them securely to the vehicle’s chassis. This direct-replacement beam restores the original strength and alignment of the rear subframe, helping maintain precise suspension geometry, stable handling and smooth ride quality — particularly important after corrosion, collision damage or when worn through long-term use. Built to OEM quality standards, it fits a wide range of Honda Civic Mk8 models (2005-2020) across petrol and diesel engines.

OEM Number: 42100-TM8-G02/42100-TM0-T12/42100SMQE05, 42100-TM0-T12/42100SMQE05

Placement on Vehicle : Rear

This will not fit to Type R

REAR SUBFRAME CROSSMEMBER

Quantity : 1

Our SKU: TH42100-SMQE05_313

All our REAR AXLE SUBFRAME beams are OEM quality and reliable after-market car parts. This Rear Axle Subframe Beam is specifically compatible with the Honda: Civic.

Please use our make-model-year tool to check this part's compatibility with your vehicle. However, please note that our tool is for reference only and we recommend that you check the part number on your old unit prior to purchasing.

If you are still not sure about the compatibility of this part with your vehicle, please supply us with the VIN number or Reg number in our live chat or contact form! You can also find details on our purchasing & shipping guide here.

Key Benefits

✔ Direct OEM-Compatible Replacement
This subframe crossmember beam matches manufacturer part numbers such as 42100-TM8-G02, 42100-TM0-T12 and 42100SMQE05, providing a precise fit without modifications.

✔ Essential Structural Support
As part of the rear suspension mounting, it provides a firm anchor for control arms and bushings, ensuring your Civic’s chassis remains aligned and performs as designed.

✔ Restores Handling and Ride Stability
A bent, cracked or rusted rear beam can compromise suspension behaviour, causing uneven tyre wear, poor alignment or slack in handling — replacing it helps restore confident, predictable drive performance.

✔ Durable Steel Construction
Manufactured from robust steel with corrosion-resistant coatings, this beam is engineered to withstand road stress and harsh weather environments for extended service life.

✔ Wide Civic Compatibility
Designed to fit Honda Civic Mk8 (FK/FN) 2005–2020 petrol and diesel variants (excluding Type R) with correct OEM numbers — ideal for hatchback models that use this part.

Frequently Asked Questions

Q: What does the rear axle subframe crossmember beam do?
It supports the rear suspension and links critical mounting points to the vehicle chassis, helping maintain proper alignment and overall structural integrity.

Q: What are common signs it needs replacing?
Visible rust, suspension noise, uneven tyre wear, handling drift, or post-accident misalignment may indicate a bent or damaged rear beam.

Q: Will this fit my Honda Civic?
This beam fits many Civic Mk8 models (2005–2011 and later years up to 2020) — check the OEM part number on your existing beam (e.g., 42100-TM8-G02 / 42100-TM0-T12) to confirm compatibility.

Q: Is professional installation required?
Due to its structural role and alignment impact, professional fitting and wheel alignment are recommended when replacing a subframe crossmember beam.

1. Standard Shipping (Free) - Please allow 1-3 days for your order to be delivered 
2. DPD Next Day (£4.99) - Please place orders between Monday - Thursday before 4 PM UK time. This service applies to UK Mainland orders only.
3. Royal Mail Special Special Saturday Delivery (£19) - Please place orders between Monday - Friday before 3 PM UK time. 
4. International - Rates vary based on product size. Please enquire for further details. 

We do not provide any guarantees on shipping times, as we are reliant on 3rd parties. However, we strive to ensure that our customers are always satisfied.

All products are protected by a upto 10 year worry-free warranty depending on Part 

Warranty Coverage: Eligibility: To be eligible for 10-year warranty coverage, the car part must be fitted by a certified professional mechanic. Proof of fitment, including the mechanic's certification, must be submitted to Amesplan LTD within 30 days of the part's purchase date. Please send supporting documentation to us via email.In case a purchased product becomes faulty during its warranty period, for reasons unrelated to your acts, omissions or misuse of the goods, you must promptly notify us and fill out a warranty claim form. 

Warranty Non-Coverage: We do not have any liability for any defect arising from normal wear & tear, wilful damage, negligence, tampering of the goods, incorrect fitting of the goods by you and/or a third party. We are also not liable for any abnormal working conditions, alteration or repair of the goods or a failure to follow goods manufacturers' instructions (whether oral or in writing) 

We have a 180-day return policy, which means you have 180 days after receiving your item to request a return. 

To be eligible for a return, your item must be in the same condition that you received it, unused, and in its original packaging. You will also need the receipt or proof of purchase. 

For All Return buyers pay Return Postage.Returns will only be processed after we receive the approved part and a member of our team fully inspects the returned item & successfully matches the returned part to the return reason. 

For All UK orders, we offer free return. We do not offer any reimbursement of shipping costs for Any orders on original sale like Next Day Postage. 

For All Outside UK order  We do not offer any reimbursement of shipping costs for Any orders on either the original sale or the return. 

Please direct all questions to sales@d2pautoparts.com. 

Damages and issues 
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exchanges 

The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

Refunds 
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund.