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Diesel & heavy engine rebuild parts

The right part, matched to your engine.

Pistons, bearings, gaskets and full rebuild kits — organised by brand, engine family and model so you order with confidence.

Browse all partsShop by brand

14 brands · 11 parts in catalog · worldwide shipping

Fast ShippingAll over the world
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Gifts & DiscountsAll the time from HQ

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Featured parts

See all 11
No imageIn stock
Deutz

Piston with Rings STD For Deutz 04158391, BF6L913, BF6L912, 912

$144.58$189.00−15%
1
No imageOut of stock
Deutz

Piston with Rings STD For Deutz 02145040, BF8L413, F6L413, 413

$278.46$364.00−15%
1
No imageOut of stock
Deutz

Piston with Rings STD For Deutz 02136952, FL912, 912

$56.61$74.00−15%
1
No imageOut of stock
Deutz

Piston with Rings STD For Deutz 04271178, BFL1011, 1011

$98.68$129.00−15%
1
No imageOut of stock
Deutz

Piston with Rings STD For Deutz 04179921, BF1011, 1011

$91.79$119.99−15%
1
No imageOut of stock
Deutz

Piston with Rings 0.5 For Deutz 04271290, BF1011, 1011

$97.15$127.00−15%
1
No imageOut of stock
Deutz

Piston with Rings STD For Deutz 04179914, FL1011, F4L1011F, 1011

$98.68$129.00−15%
1
No imageOut of stock
Deutz

Piston with Rings 0.5 For Deutz 04179916, FL1011, 1011

$98.68$129.00−15%
1
More than parts

Complete repair & overhaul kits

SKU-matched rebuild kits for a full job in one order — pistons, bearings, gaskets and more, grouped by engine. Or build your own to fit your exact engine.

No repair kits yet — build one to match your engine.

From the workshop journal

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What our customers say

4paint

Oil Cap for Kubota

Perfect fit.

Jul 2026

allmotorek2010

Upper Gasket Set for Kubota

Great.

Jul 2026

hallsstreetrodgarage

Cylinder Head Gasket for Kubota

Fast shipping.

Jul 2026

djac9669

Fuel Pipe for Lister Petter

Way better than the military NSN part. Very affordable and the seller has a great price for it.

Jun 2026

altan5085

Water Pump for Kubota

These folks saved me a lot of money and I got a perfect fit. Just a great job figuring out the right pump for my tractor. Thank you for a good experience.

Jun 2026

roneplaisi_0

Cylinder Head Gasket for Lister Petter

Perfect.

Jun 2026

jmlb04

Fuel Return Pipe for Kubota

Thank you.

Jun 2026

jbergeron

Starter Motor Spacer for Lister Petter

Part exactly as described. Great fit. Fast shipping.

Jun 2026

laux1918

Radiator Cap for Yanmar

Nice radiator cap for an older marine engine. Works fine. Shipped promptly. Thanks!

May 2026

stevesleds

Engine Fan for Kubota

Perfectly as described. Awesome!

May 2026

ommyhernz

Valve Cover O-ring for Lister Petter

The right part at the right price. Thanks!

May 2026

dougsnash

Inlet Manifold Gasket for Kubota

Item as described, great service.

May 2026

ricwill-6261

Oil Filter for Kubota

You guys are great. I'll always try to do my dealing with you — everything you told me about my order was true. Thanks guys, I'll be talking with you soon.

May 2026

kpsmooth

Cylinder Head Install Kit for Kubota

Great aftermarket kit. Fits just as good as the factory one and at a fraction of the price. I will purchase again. A+++++

Apr 2026

kbruna123

Full Gasket Set for Kubota

Very fast shipping.

Apr 2026

fordtruckf250

Cylinder Head Gasket for Deutz

Item well packaged, quick delivery, recommended seller.

Apr 2026

computerpros-al

Full Gasket Set for Lister Petter

Absolutely amazing customer service! Bought three separate items and they combined the shipping automatically. They anticipate their buyers’ needs and truly value customer satisfaction. Will definitely be buying again!

Apr 2026

joh-242959

Oil Filter for Lister Petter

Everything as promised.

Apr 2026

slapshotcustoms

Fuel Pipe Set for Deutz

Good quality, fast shipping.

Mar 2026

goldenhurricane1

Cylinder Head Gasket for Caterpillar

Well packaged, quick shipping. Recommended seller.

Mar 2026

daniels_gt

Piston With Ring for Lister Petter

Fast shipping, item as described. A+++ seller.

Mar 2026

davosbid

Thermostat Set for Deutz

Excellent item. Great customer service. Good delivery time. Highly recommended.

Mar 2026

dala-7790

Oil Filter for Deutz

Very good product.

Mar 2026

fitocortez

Solenoid for Kubota

The package arrived on time and in good condition. Good value, good quality, nice appearance. Thank you.

Feb 2026

obersnowman

Oil Pan Gasket for Caterpillar

Item as described, arrived new with great appearance, great value.

Feb 2026

4paint

Oil Cap for Kubota

Perfect fit.

Jul 2026

allmotorek2010

Upper Gasket Set for Kubota

Great.

Jul 2026

hallsstreetrodgarage

Cylinder Head Gasket for Kubota

Fast shipping.

Jul 2026

djac9669

Fuel Pipe for Lister Petter

Way better than the military NSN part. Very affordable and the seller has a great price for it.

Jun 2026

altan5085

Water Pump for Kubota

These folks saved me a lot of money and I got a perfect fit. Just a great job figuring out the right pump for my tractor. Thank you for a good experience.

Jun 2026

roneplaisi_0

Cylinder Head Gasket for Lister Petter

Perfect.

Jun 2026

jmlb04

Fuel Return Pipe for Kubota

Thank you.

Jun 2026

jbergeron

Starter Motor Spacer for Lister Petter

Part exactly as described. Great fit. Fast shipping.

Jun 2026

laux1918

Radiator Cap for Yanmar

Nice radiator cap for an older marine engine. Works fine. Shipped promptly. Thanks!

May 2026

stevesleds

Engine Fan for Kubota

Perfectly as described. Awesome!

May 2026

ommyhernz

Valve Cover O-ring for Lister Petter

The right part at the right price. Thanks!

May 2026

dougsnash

Inlet Manifold Gasket for Kubota

Item as described, great service.

May 2026

ricwill-6261

Oil Filter for Kubota

You guys are great. I'll always try to do my dealing with you — everything you told me about my order was true. Thanks guys, I'll be talking with you soon.

May 2026

kpsmooth

Cylinder Head Install Kit for Kubota

Great aftermarket kit. Fits just as good as the factory one and at a fraction of the price. I will purchase again. A+++++

Apr 2026

kbruna123

Full Gasket Set for Kubota

Very fast shipping.

Apr 2026

fordtruckf250

Cylinder Head Gasket for Deutz

Item well packaged, quick delivery, recommended seller.

Apr 2026

computerpros-al

Full Gasket Set for Lister Petter

Absolutely amazing customer service! Bought three separate items and they combined the shipping automatically. They anticipate their buyers’ needs and truly value customer satisfaction. Will definitely be buying again!

Apr 2026

joh-242959

Oil Filter for Lister Petter

Everything as promised.

Apr 2026

slapshotcustoms

Fuel Pipe Set for Deutz

Good quality, fast shipping.

Mar 2026

goldenhurricane1

Cylinder Head Gasket for Caterpillar

Well packaged, quick shipping. Recommended seller.

Mar 2026

daniels_gt

Piston With Ring for Lister Petter

Fast shipping, item as described. A+++ seller.

Mar 2026

davosbid

Thermostat Set for Deutz

Excellent item. Great customer service. Good delivery time. Highly recommended.

Mar 2026

dala-7790

Oil Filter for Deutz

Very good product.

Mar 2026

fitocortez

Solenoid for Kubota

The package arrived on time and in good condition. Good value, good quality, nice appearance. Thank you.

Feb 2026

obersnowman

Oil Pan Gasket for Caterpillar

Item as described, arrived new with great appearance, great value.

Feb 2026

socal-marine

Connecting Rod for Perkins

Fit perfectly for my rebuild — bearings came out to exact specifications. Very happy, quality is great.

Jul 2026

dieselguy570

Piston With Ring for Deutz

All good!

Jul 2026

sandiegomgdiesel

Crankshaft Oil Seal for Perkins

Thanks!

Jun 2026

reese8950

Valve Cover Gasket for Kubota

Great part, seller, price and quick shipping.

Jun 2026

caud_5764

Turbocharger Hose for Deutz

I bought this item for a customer. No complaints.

Jun 2026

briggsy717

Upper Gasket Set for Kubota

Exactly what I was looking for. Top-end gasket kit, all high quality gaskets.

Jun 2026

royhawsbooks

Temperature Switch for Deutz

Quality product and quick shipment. A+

Jun 2026

matospower

Water Cooling Radiator for Lister Petter

Thanks!

May 2026

ashlayland

Water Pump for Kubota

Top quality item and quick delivery.

May 2026

mmcc221

Cylinder Head Gasket for Perkins

Happy. Easy to install.

May 2026

eqt.trader

Oil Pan Gasket for Kubota

Good value, as described. Thanks!

May 2026

o.ctruckcenter

Exhaust Valve for Kubota

Great product, good price.

May 2026

fl-8220

Radiator Hose for Lister Petter

Great deal, great part.

Apr 2026

nahbrey

Full Gasket Set for Deutz

Fast shipping.

Apr 2026

c-fess

Fuel & Oil Filter Set for Deutz

A+

Apr 2026

lifttrucksolutions

Fuel Control Rod Locking Pin for Deutz

Exact replica of the OEM locking pin. Works exactly like an OEM part. Shipped fast. Very good price.

Apr 2026

gayfers126

Radiator Hose for Lister Petter

Good merchandise, fast shipper.

Apr 2026

snowseeker777

Stop Switch for Deutz

As described. Fast delivery. Thanks.

Mar 2026

spiderruncustoms

Exhaust Manifold Kit for Kubota

Great seller, fast shipping. Parts work great.

Mar 2026

cdan6557

Starter Motor for Deutz

Great seller.

Mar 2026

flane-denni

Water Pump for Kubota

Fast and easy.

Mar 2026

saveatromansparts

Piston With Ring for Kubota

Excellent seller, would definitely buy from again!

Mar 2026

dr.bacaan

Injection Pump for Lister Petter

Wow! Shipped within hours of ordering — the fastest on eBay. If you need it quick, this is the place.

Mar 2026

8211006

Cylinder Head Gasket for Kubota

Great seller, as described. Thank you!

Feb 2026

heavyequipmaster

Main Bearing Set for Deutz

Excellent experience! The part arrived quickly and was exactly as described, well-packaged and in perfect condition. Communication was clear and professional. Everything fit perfectly and worked right away. I'd definitely buy again — highly recommended!

Feb 2026

socal-marine

Connecting Rod for Perkins

Fit perfectly for my rebuild — bearings came out to exact specifications. Very happy, quality is great.

Jul 2026

dieselguy570

Piston With Ring for Deutz

All good!

Jul 2026

sandiegomgdiesel

Crankshaft Oil Seal for Perkins

Thanks!

Jun 2026

reese8950

Valve Cover Gasket for Kubota

Great part, seller, price and quick shipping.

Jun 2026

caud_5764

Turbocharger Hose for Deutz

I bought this item for a customer. No complaints.

Jun 2026

briggsy717

Upper Gasket Set for Kubota

Exactly what I was looking for. Top-end gasket kit, all high quality gaskets.

Jun 2026

royhawsbooks

Temperature Switch for Deutz

Quality product and quick shipment. A+

Jun 2026

matospower

Water Cooling Radiator for Lister Petter

Thanks!

May 2026

ashlayland

Water Pump for Kubota

Top quality item and quick delivery.

May 2026

mmcc221

Cylinder Head Gasket for Perkins

Happy. Easy to install.

May 2026

eqt.trader

Oil Pan Gasket for Kubota

Good value, as described. Thanks!

May 2026

o.ctruckcenter

Exhaust Valve for Kubota

Great product, good price.

May 2026

fl-8220

Radiator Hose for Lister Petter

Great deal, great part.

Apr 2026

nahbrey

Full Gasket Set for Deutz

Fast shipping.

Apr 2026

c-fess

Fuel & Oil Filter Set for Deutz

A+

Apr 2026

lifttrucksolutions

Fuel Control Rod Locking Pin for Deutz

Exact replica of the OEM locking pin. Works exactly like an OEM part. Shipped fast. Very good price.

Apr 2026

gayfers126

Radiator Hose for Lister Petter

Good merchandise, fast shipper.

Apr 2026

snowseeker777

Stop Switch for Deutz

As described. Fast delivery. Thanks.

Mar 2026

spiderruncustoms

Exhaust Manifold Kit for Kubota

Great seller, fast shipping. Parts work great.

Mar 2026

cdan6557

Starter Motor for Deutz

Great seller.

Mar 2026

flane-denni

Water Pump for Kubota

Fast and easy.

Mar 2026

saveatromansparts

Piston With Ring for Kubota

Excellent seller, would definitely buy from again!

Mar 2026

dr.bacaan

Injection Pump for Lister Petter

Wow! Shipped within hours of ordering — the fastest on eBay. If you need it quick, this is the place.

Mar 2026

8211006

Cylinder Head Gasket for Kubota

Great seller, as described. Thank you!

Feb 2026

heavyequipmaster

Main Bearing Set for Deutz

Excellent experience! The part arrived quickly and was exactly as described, well-packaged and in perfect condition. Communication was clear and professional. Everything fit perfectly and worked right away. I'd definitely buy again — highly recommended!

Feb 2026

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HQMS Comprehensive Warranty Program

At HQMS, our commitment to exceptional customer service extends beyond offering competitive prices. We are proud to introduce our Comprehensive Warranty Program, designed with your peace of mind as a top priority. Here's what our program offers:

  1. Extended Coverage: Enjoy a 6-month unlimited mileage warranty on all our products. This extended coverage ensures that your purchases are protected for a substantial period, giving you peace of mind.
  2. Customer Satisfaction Guarantee: Your happiness is our success. We understand the importance of trust and satisfaction in building lasting customer relationships.
  3. Reliable Support: In the unlikely event that you need to utilize your warranty, rest assured that you will receive the same level of superior customer service that you experienced during your purchase.