Mahle MS Piston Set BMW S54B 87.50mm Bore 91.0mm Stroke 139mm Rod 21mm Pin -29cc 9.0 CR Set of 6
Mahle MS Piston Set BMW S54B 87.50mm Bore 91.0mm Stroke 139mm Rod 21mm Pin -29cc 9.0 CR Set of 6
Out of stock
Mahle MS Piston Set BMW S54B 87.50mm Bore 91.0mm Stroke 139mm Rod 21mm Pin -29cc 9.0 CR Set of 6
Upgrade your BMW S54 engine with the Mahle MS Piston Set, specifically designed to enhance performance and efficiency. This high-quality piston set is your key to unlocking the full potential of your vehicle.
Key Features:
- Precision Engineering: Designed with a bore of 87.50mm and a stroke of 91.0mm for optimal engine performance.
- Durable Construction: Made from high-quality materials to ensure longevity and reliability under intense conditions.
- Perfect Fit: Tailored specifically for the BMW S54 engine, ensuring a seamless installation with a rod length of 139mm and a pin diameter of 21mm.
- Optimal Compression Ratio: Achieves a compression ratio of 9.0, providing improved horsepower and torque.
- Complete Set of 6: Comes as a set of six pistons, making it easy to replace all pistons at once for uniformity in performance.
Benefits:
- Enhances overall engine efficiency and power output.
- Reduces the risk of engine wear and tear with superior material quality.
- Improves throttle response and acceleration for a sportier driving experience.
- Ensures reliability for both daily driving and competitive racing applications.
Transform your BMW S54 engine with the Mahle MS Piston Set and experience the difference in performance. Perfect for automotive enthusiasts looking to enhance their vehicle's capabilities!
Couldn't load pickup availability
Get $20 off when you spend $1,000 or more! Learn more
About Brand
About Brand
Welcome to our Brands page! Here, you will discover a world of trusted excellence as we proudly showcase a diverse range of top brands. At our website, we are dedicated to bringing you only the best in quality, innovation, and reliability.
When you shop with us, you can elevate your experience by exploring our carefully curated selection of brands. Whether you are looking for fashionable apparel, cutting-edge technology, or top-of-the-line appliances, we have you covered.
We believe that every customer deserves the best, which is why we have handpicked each brand we carry based on their reputation for excellence. Our team works tirelessly to ensure that only the most trusted and respected brands are featured on our website.
By offering a range of top brands, we aim to provide you with choices that align with your unique preferences and requirements. From renowned international names to local favorites, our brands reflect the diversity and variety that our customers deserve.
When you choose a brand from our selection, you can have the confidence that you are investing in products that have been thoroughly tested and proven to deliver exceptional performance. We believe in the power of brands to create positive experiences and enhance your everyday life.
So, go ahead and explore our brands. Each one has its own story, its own unique offering, and its own commitment to excellence. Discover the brands that resonate with you, and elevate your lifestyle with quality, innovation, and reliability. We are excited to be a part of your journey as you find the perfect products to meet your needs!
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Let customers speak for us
Excellent quality. The engraving is perfect.
What can you say about an adapter? Either it works or it doesn’t. Works fine. High quality. I used it to go from 1/4” male inverted flare to my Cherokee Wolf Pup 14cc propane regulator. Saved me from having to buy a different supply line.
Direct replacement, easy to install. Easy logistics from company
Works very well. Used to seal small cracks in my roof
Works very well. Used to seal small cracks in my roof
Works great helped fix the leak on the roof of our RV
Works great helped fix the leak on the roof of our RV
Great pricing, excellent sale. This product works and is UV resistant
Great pricing, excellent sale. This product works and is UV resistant
Discover more in our FAQ
Shoot our team an email, text or Chat & we’ll get back to you ASAP
How long does it take to process an order?
How long does it take to process an order?
Orders are typically processed within 1–2 business days. You will receive a confirmation email with tracking details once your order has been shipped. Please note that processing times may be slightly longer during high-demand periods or sales events.
Do you ship internationally?
Do you ship internationally?
Yes, we offer international shipping to most countries. Shipping rates and delivery times vary depending on the destination. Any applicable customs duties or taxes will be the responsibility of the recipient.
What is your return policy?
What is your return policy?
We accept returns within 60 days of order date. To be eligible, items must be unused, in their original packaging, and accompanied by proof of purchase. If the item is faulty or damaged, we will cover the return shipping and provide a replacement or full refund.
We have a 60-day return policy, which means you have 60 days after the order date to start a return
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
Starting a return is quick and easy. Just follow these simple steps:
- Locate your order number, which can be found in the confirmation email or on the packing slip.
- To start a return click here: or you may follow this link: https://www.rvautoparts.com/apps/returns
- Provide us with the necessary information, including your order number and the reason for your return.
- Choose your preferred return method. We offer convenient options such as self-ship or label printing.
- Once you've completed the return request, you'll receive a confirmation email with further instructions.
If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at contact@rvautoparts.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.
Exceptions / non-returnable items
Certain types of items cannot be returned, like electronics if they have been opened, perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items or gift cards.
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.
European Union 14 day cooling off period
Notwithstanding the above, if the merchandise is being shipped into the European Union, you have the right to cancel or return your order within 14 days, for any reason and without a justification. As above, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
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 within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since we’ve approved your return, please contact us at contact@rvautoparts.com.
Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items or gift cards.
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.
European Union 14 day cooling off period
Notwithstanding the above, if the merchandise is being shipped into the European Union, you have the right to cancel or return your order within 14 days, for any reason and without a justification. As above, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
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 within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since we’ve approved your return, please contact us at contact@rvautoparts.com.
- Returns accepted for 60 days
- Customer provides return shipping unless damaged in transit ( damage must be notated within 3 days of arrival)
- Subject to 10% restocking fee
- No final sale items added
Our dedicated customer service team is always ready to assist you throughout the return process. If you encounter any issues or have any questions, don't hesitate to reach out to us. We take pride in providing excellent customer service and ensuring that you have a positive experience.
We understand that returns can be frustrating, but we believe that the return process shouldn't be. That's why we've designed it to be as hassle-free as possible. We value your satisfaction and want to make sure that you're completely happy with your purchase.
What are your sizing options?
What are your sizing options?
This product does not require sizing. However, if you’re shopping for wearables or accessories on our store, detailed size charts are available on each product page to help you find the perfect fit.
