{"product_id":"5011427-yumak®-air-brake-compressor-1-cyl-360-cc-1","title":"5011427 | Yumak® Air Brake Compressor 1 Cyl 360 CC","description":"\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDescription: \u003c\/strong\u003eSingle Cylinder Air Brake Compressor 1 Cyl 360 CC \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e New - Guaranteed High Quality\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Yumak\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003ePart Number: 5011427\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSpecifications 5011427\u003c\/strong\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eCylinder Diameter\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eØ92 mm\u003cbr\u003e\u003cspan\u003eVolume\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e360 cm³\u003cbr\u003e\u003cspan\u003ePiston Operating Distance\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e54 mm\u003cbr\u003e\u003cspan\u003ePort 0\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e1-3\/16 12 UN 2B\u003cbr\u003e\u003cspan\u003ePort 2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e7\/8-14 UNF 2B\u003cbr\u003e\u003cspan\u003ePort 4\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e1\/8-27 NPT\u003cbr\u003e\u003cspan\u003ePort 8.1\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e7\/6-20\u003cbr\u003e\u003cspan\u003ePort 9.1\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e3\/4-16 UNF 2-B\u003cbr\u003e\u003cspan\u003ePort 9.2\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e3\/4-16 UNF 2-B\u003cbr\u003e\u003cspan\u003eCrankshaft Thread\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eM20x2.5 RH\u003cbr\u003e\u003cspan\u003eNumber of Cylinders\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e1\u003cbr\u003e\u003cspan\u003eCooling\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eWater\u003cbr\u003e\u003cspan\u003eESS Feature\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eYes\u003cbr\u003e\u003cspan\u003eWater Cooled Valve Plate\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eYes\u003cbr\u003e\u003cspan\u003eDirect Working\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eYes\u003cbr\u003e\u003cspan\u003eMaximum Operating Pressure\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e10.5 bar\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eFits \u003cspan\u003e5011427\u003c\/span\u003e For \u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"mmm\"\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eCaterpillar \u003c\/span\u003e\u003cspan\u003eC7, \u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eC9, \u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eC11, \u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eC13, \u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eC15\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:c26db2ab-c39d-4970-af62-e52da91e8f89-0\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:c26db2ab-c39d-4970-af62-e52da91e8f89-0\" data-turn-id-container=\"request-WEB:c26db2ab-c39d-4970-af62-e52da91e8f89-0\" data-testid=\"conversation-turn-2\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"3494250e-28a0-46aa-bc56-c0d575503b58\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"251\"\u003eA\u003cstrong\u003e \u003c\/strong\u003esingle cylinder air brake compressor\u003cstrong\u003e \u003cspan\u003e5011427\u003c\/span\u003e \u003c\/strong\u003eis a mechanical pump used on vehicles with air brake systems -\u003cstrong data-start=\"86\" data-end=\"107\"\u003e \u003c\/strong\u003ecommonly heavy trucks, buses, trains, and some industrial equipment. Its job is to compress air and supply pressurized air to the brake system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cp data-start=\"575\" data-end=\"619\"\u003e\u003cstrong\u003e1. Supply air pressure for safe braking\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"620\" data-end=\"694\"\u003eThe compressor keeps the air tanks filled so the brakes can work reliably.\u003c\/p\u003e\n\u003cp data-start=\"696\" data-end=\"724\"\u003e\u003cstrong\u003e2. Simpler construction\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"725\" data-end=\"759\"\u003eWith only one cylinder and piston:\u003c\/p\u003e\n\u003cul data-start=\"760\" data-end=\"829\"\u003e\n\u003cli data-section-id=\"kj6hav\" data-start=\"760\" data-end=\"781\"\u003efewer moving parts,\u003c\/li\u003e\n\u003cli data-section-id=\"oedxzp\" data-start=\"782\" data-end=\"801\"\u003eeasier servicing,\u003c\/li\u003e\n\u003cli data-section-id=\"pf5i4u\" data-start=\"802\" data-end=\"829\"\u003elower manufacturing cost.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"831\" data-end=\"874\"\u003e\u003cstrong\u003e3. Good for moderate-duty applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"875\" data-end=\"890\"\u003eWorks well for:\u003c\/p\u003e\n\u003cul data-start=\"891\" data-end=\"982\"\u003e\n\u003cli data-section-id=\"3ic35w\" data-start=\"891\" data-end=\"908\"\u003esmaller trucks,\u003c\/li\u003e\n\u003cli data-section-id=\"1cjzbau\" data-start=\"909\" data-end=\"917\"\u003ebuses,\u003c\/li\u003e\n\u003cli data-section-id=\"ubt586\" data-start=\"918\" data-end=\"935\"\u003efarm equipment,\u003c\/li\u003e\n\u003cli data-section-id=\"di7h6k\" data-start=\"936\" data-end=\"959\"\u003eolder heavy vehicles,\u003c\/li\u003e\n\u003cli data-section-id=\"1032j2v\" data-start=\"960\" data-end=\"982\"\u003eindustrial machines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"984\" data-end=\"1015\"\u003e\u003cstrong\u003e4. Lower maintenance costs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1016\" data-end=\"1126\"\u003eSingle-cylinder units are generally easier to troubleshoot and rebuild than larger multi-cylinder compressors.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003eSigns of Faulty \u003cspan\u003e5011427\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cp data-section-id=\"q17y73\" data-start=\"191\" data-end=\"224\"\u003e\u003cstrong\u003e1. Slow air pressure build-up\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"225\" data-end=\"254\"\u003eOne of the most common signs.\u003c\/p\u003e\n\u003cp data-start=\"256\" data-end=\"355\"\u003eThe compressor takes too long to raise tank pressure to operating range (often around 100–125 PSI).\u003c\/p\u003e\n\u003cp data-start=\"357\" data-end=\"372\"\u003eYou may notice:\u003c\/p\u003e\n\u003cul data-start=\"373\" data-end=\"470\"\u003e\n\u003cli data-section-id=\"1xpgvcd\" data-start=\"373\" data-end=\"406\"\u003eWarning buzzer\/light staying on\u003c\/li\u003e\n\u003cli data-section-id=\"1o5gud5\" data-start=\"407\" data-end=\"433\"\u003eLong wait before driving\u003c\/li\u003e\n\u003cli data-section-id=\"scjrm5\" data-start=\"434\" data-end=\"470\"\u003ePressure gauges rising very slowly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-section-id=\"6trwnl\" data-start=\"472\" data-end=\"495\"\u003e\u003cstrong\u003e2. Low air pressure\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"496\" data-end=\"539\"\u003eThe system cannot maintain normal pressure.\u003c\/p\u003e\n\u003cp data-start=\"541\" data-end=\"558\"\u003ePossible effects:\u003c\/p\u003e\n\u003cul data-start=\"559\" data-end=\"644\"\u003e\n\u003cli data-section-id=\"1xfoyy1\" data-start=\"559\" data-end=\"582\"\u003eWeak braking response\u003c\/li\u003e\n\u003cli data-section-id=\"n7jc54\" data-start=\"583\" data-end=\"618\"\u003eAir brakes not releasing properly\u003c\/li\u003e\n\u003cli data-section-id=\"gs88wt\" data-start=\"619\" data-end=\"644\"\u003eRepeated low-air alarms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-section-id=\"2aqh2p\" data-start=\"646\" data-end=\"679\"\u003e\u003cstrong\u003e3. Compressor runs constantly\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"680\" data-end=\"720\"\u003eThe compressor never seems to “cut out.”\u003c\/p\u003e\n\u003cp data-start=\"722\" data-end=\"849\"\u003eNormally, the governor unloads the compressor at maximum pressure. A failing compressor may struggle to reach cut-out pressure.\u003c\/p\u003e\n\u003cp data-section-id=\"1or54cp\" data-start=\"851\" data-end=\"884\"\u003e\u003cstrong\u003e4. Excessive oil in air tanks\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"885\" data-end=\"953\"\u003eWorn piston rings or seals can allow engine oil into the air system.\u003c\/p\u003e\n\u003cp data-start=\"955\" data-end=\"969\"\u003eSigns include:\u003c\/p\u003e\n\u003cul data-start=\"970\" data-end=\"1064\"\u003e\n\u003cli data-section-id=\"fnitut\" data-start=\"970\" data-end=\"1004\"\u003eOily residue when draining tanks\u003c\/li\u003e\n\u003cli data-section-id=\"1r8zom9\" data-start=\"1005\" data-end=\"1033\"\u003eOil-contaminated air lines\u003c\/li\u003e\n\u003cli data-section-id=\"1iytkhq\" data-start=\"1034\" data-end=\"1064\"\u003eDamaged air brake components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-section-id=\"189a90h\" data-start=\"1066\" data-end=\"1099\"\u003e\u003cstrong\u003e5. Excessive moisture buildup\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1100\" data-end=\"1198\"\u003eA weak compressor can overheat or fail to properly manage airflow, leading to excess condensation.\u003c\/p\u003e\n\u003cp data-start=\"1200\" data-end=\"1214\"\u003eYou might see:\u003c\/p\u003e\n\u003cul data-start=\"1215\" data-end=\"1291\"\u003e\n\u003cli data-section-id=\"14r2jx5\" data-start=\"1215\" data-end=\"1231\"\u003eWater in tanks\u003c\/li\u003e\n\u003cli data-section-id=\"1ycwef2\" data-start=\"1232\" data-end=\"1265\"\u003eFrozen airlines in cold weather\u003c\/li\u003e\n\u003cli data-section-id=\"1wuli6j\" data-start=\"1266\" data-end=\"1291\"\u003eCorrosion in the system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-section-id=\"3hdrg6\" data-start=\"1293\" data-end=\"1314\"\u003e\u003cstrong\u003e6. Unusual noises\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1315\" data-end=\"1350\"\u003eBad internal components can create:\u003c\/p\u003e\n\u003cul data-start=\"1351\" data-end=\"1395\"\u003e\n\u003cli data-section-id=\"1fs9ru2\" data-start=\"1351\" data-end=\"1361\"\u003eKnocking\u003c\/li\u003e\n\u003cli data-section-id=\"4fgh0e\" data-start=\"1362\" data-end=\"1372\"\u003eGrinding\u003c\/li\u003e\n\u003cli data-section-id=\"r7m587\" data-start=\"1373\" data-end=\"1384\"\u003eSquealing\u003c\/li\u003e\n\u003cli data-section-id=\"iybo4m\" data-start=\"1385\" data-end=\"1395\"\u003eClicking\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1397\" data-end=\"1456\"\u003eThese may indicate worn bearings, valves, or piston damage.\u003c\/p\u003e\n\u003cp data-section-id=\"ime3gt\" data-start=\"1458\" data-end=\"1492\"\u003e\u003cstrong\u003e7. Air leaks around compressor\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1493\" data-end=\"1512\"\u003eLeaks may occur at:\u003c\/p\u003e\n\u003cul data-start=\"1513\" data-end=\"1586\"\u003e\n\u003cli data-section-id=\"xz4wfj\" data-start=\"1513\" data-end=\"1526\"\u003eHead gasket\u003c\/li\u003e\n\u003cli data-section-id=\"1njq26s\" data-start=\"1527\" data-end=\"1537\"\u003eFittings\u003c\/li\u003e\n\u003cli data-section-id=\"retkg2\" data-start=\"1538\" data-end=\"1554\"\u003eDischarge line\u003c\/li\u003e\n\u003cli data-section-id=\"1prxdpu\" data-start=\"1555\" data-end=\"1586\"\u003eUnloader\/governor connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-section-id=\"3mg6km\" data-start=\"1588\" data-end=\"1606\"\u003e\u003cstrong\u003e8. Overheating\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1607\" data-end=\"1656\"\u003eThe compressor may become excessively hot due to:\u003c\/p\u003e\n\u003cul data-start=\"1657\" data-end=\"1736\"\u003e\n\u003cli data-section-id=\"165iqxg\" data-start=\"1657\" data-end=\"1675\"\u003ePoor lubrication\u003c\/li\u003e\n\u003cli data-section-id=\"1otc18f\" data-start=\"1676\" data-end=\"1703\"\u003eRestricted discharge line\u003c\/li\u003e\n\u003cli data-section-id=\"t9xjew\" data-start=\"1704\" data-end=\"1720\"\u003eCarbon buildup\u003c\/li\u003e\n\u003cli data-section-id=\"18l05hq\" data-start=\"1721\" data-end=\"1736\"\u003eInternal wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-section-id=\"1y8dnhw\" data-start=\"1738\" data-end=\"1771\"\u003e\u003cstrong\u003e9. Smoke from compressor area\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1772\" data-end=\"1840\"\u003eBlue or gray smoke can indicate oil burning or severe internal wear.\u003c\/p\u003e\n\u003cp data-section-id=\"1dcq0do\" data-start=\"1842\" data-end=\"1875\"\u003e\u003cstrong\u003e10. Frequent governor cycling\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1876\" data-end=\"1987\"\u003eIf pressure rapidly drops and rebuilds repeatedly, the compressor may be weak or unable to keep up with demand.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003cstrong\u003eManufacturer information\u003c\/strong\u003e\u003cbr\u003eYUMAK is a leading Turkish manufacturer of air brake systems, compressors, repair kits, and precision spare parts for heavy-duty commercial vehicles. Founded in 1978 by Mehmet Yumak, the company has built a strong reputation for quality, durability, and engineering excellence in the global automotive aftermarket industry. Today, YUMAK exports its products to more than 100 countries across six continents, serving customers with a wide range of reliable solutions for trucks, buses, and other heavy vehicles. With advanced manufacturing facilities, continuous investment in research and development, and a commitment to international quality standards, YUMAK combines decades of experience with innovative technology to deliver high-performance products that ensure safety, efficiency, and long service life.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003cbr\u003eFirst Truck Parts offers a \u003cstrong\u003e365-days\u003c\/strong\u003e warranty for all types of parts and in any condition. The warranty applies only to buyers who have placed an order on our website. \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"First Truck Parts","offers":[{"title":"Default Title","offer_id":48520930164980,"sku":"5011427","price":859.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/1479\/5764\/files\/01.04.223.webp?v=1781071519","url":"https:\/\/firsttruckparts.com\/products\/5011427-yumak%c2%ae-air-brake-compressor-1-cyl-360-cc-1","provider":"First Truck Parts","version":"1.0","type":"link"}