Thanks to its design conforming to Caterpillar standards, it guarantees a stable and regular supply, contributing directly to engine power, optimized fuel consumption and reduced emissions.<\/p>\n
Equipment using the C7 engine is often subjected to intensive working conditions requiring maximum reliability. The 253-4339 pump perfectly meets these requirements.<\/p>\n
Symptoms of a Defective Pump<\/h3>\n\n- Difficult start<\/li>\n
- Loss of power<\/li>\n
- Engine timing<\/li>\n
- Insufficient oil pressure<\/li>\n
- Injection fault codes<\/li>\n
- Increased consumption<\/li>\n<\/ul>\n
Technology Designed for Performance<\/h2>\nConstant Hydraulic Pressure<\/h3>\n
Precise feeding of HEUI injectors.<\/p>\n
High Load Resistance<\/h3>\n
Designed for harsh environments.<\/p>\n
High-Quality Manufacturing<\/h3>\n
Robust materials and precision machining.<\/p>\n
Full Compatibility<\/h3>\n
Assembly conforms to original Caterpillar specifications.<\/p>\n
Benefits for Your Farm<\/h2>\n\n\n\n\n\nAdvantage<\/th>\n Profit<\/th>\n<\/tr>\n<\/thead>\n \n\nStable pressure<\/td>\n Efficient combustion<\/td>\n<\/tr>\n \nOEM Quality<\/td>\n Maximum reliability<\/td>\n<\/tr>\n \nSimple installation<\/td>\n Reduction of downtime<\/td>\n<\/tr>\n \nOptimized yield<\/td>\n Fuel economy<\/td>\n<\/tr>\n \nHigh durability<\/td>\n Reduced maintenance<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\nTechnical Specifications<\/h2>\n\n\n\n\n\nAttribute<\/th>\n Value<\/th>\n<\/tr>\n<\/thead>\n \n\nReference<\/td>\n 253-4339<\/td>\n<\/tr>\n \nKind<\/td>\n HEUI Pump<\/td>\n<\/tr>\n \nCompatibility<\/td>\n Caterpillar C7<\/td>\n<\/tr>\n \nFunction<\/td>\n Hydraulic supply to injectors<\/td>\n<\/tr>\n \nFacility<\/td>\n OEM<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\nKey Strengths<\/h2>\n\n- Compatible with C7 engine<\/li>\n
- HEUI Technology<\/li>\n
- High reliability<\/li>\n
- Consistent performance<\/li>\n
- Long lifespan<\/li>\n
- Professional quality<\/li>\n<\/ul>\n
![\"\"](\"https:\/\/kasparts.com\/wp-content\/uploads\/2026\/06\/Pompe-HEUI-Caterpillar-253-4339-pour-Moteur-C7-358x300.png\")
<\/p>","protected":false},"excerpt":{"rendered":"
Technical Specifications<\/h2>\n\n\n\n\n\nAttribute<\/th>\n Value<\/th>\n<\/tr>\n<\/thead>\n \n\nReference<\/td>\n 253-4339<\/td>\n<\/tr>\n \nKind<\/td>\n HEUI Pump<\/td>\n<\/tr>\n \nCompatibility<\/td>\n Caterpillar C7<\/td>\n<\/tr>\n \nFunction<\/td>\n Hydraulic supply to injectors<\/td>\n<\/tr>\n \nFacility<\/td>\n OEM<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/h2>","protected":false},"featured_media":20375,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[924],"product_cat":[664],"product_tag":[],"class_list":["post-20374","product","type-product","status-publish","has-post-thumbnail","product_brand-cat","product_cat-systeme-dinjection","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/product\/20374","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/comments?post=20374"}],"version-history":[{"count":1,"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/product\/20374\/revisions"}],"predecessor-version":[{"id":20376,"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/product\/20374\/revisions\/20376"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/media\/20375"}],"wp:attachment":[{"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/media?parent=20374"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/product_brand?post=20374"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/product_cat?post=20374"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/product_tag?post=20374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Technology Designed for Performance<\/h2>\nConstant Hydraulic Pressure<\/h3>\n
Precise feeding of HEUI injectors.<\/p>\n
High Load Resistance<\/h3>\n
Designed for harsh environments.<\/p>\n
High-Quality Manufacturing<\/h3>\n
Robust materials and precision machining.<\/p>\n
Full Compatibility<\/h3>\n
Assembly conforms to original Caterpillar specifications.<\/p>\n
Benefits for Your Farm<\/h2>\n\n\n\n\n\nAdvantage<\/th>\n Profit<\/th>\n<\/tr>\n<\/thead>\n \n\nStable pressure<\/td>\n Efficient combustion<\/td>\n<\/tr>\n \nOEM Quality<\/td>\n Maximum reliability<\/td>\n<\/tr>\n \nSimple installation<\/td>\n Reduction of downtime<\/td>\n<\/tr>\n \nOptimized yield<\/td>\n Fuel economy<\/td>\n<\/tr>\n \nHigh durability<\/td>\n Reduced maintenance<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\nTechnical Specifications<\/h2>\n\n\n\n\n\nAttribute<\/th>\n Value<\/th>\n<\/tr>\n<\/thead>\n \n\nReference<\/td>\n 253-4339<\/td>\n<\/tr>\n \nKind<\/td>\n HEUI Pump<\/td>\n<\/tr>\n \nCompatibility<\/td>\n Caterpillar C7<\/td>\n<\/tr>\n \nFunction<\/td>\n Hydraulic supply to injectors<\/td>\n<\/tr>\n \nFacility<\/td>\n OEM<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\nKey Strengths<\/h2>\n\n- Compatible with C7 engine<\/li>\n
- HEUI Technology<\/li>\n
- High reliability<\/li>\n
- Consistent performance<\/li>\n
- Long lifespan<\/li>\n
- Professional quality<\/li>\n<\/ul>\n
<\/p>","protected":false},"excerpt":{"rendered":"
Technical Specifications<\/h2>\n\n\n\n\n\nAttribute<\/th>\n Value<\/th>\n<\/tr>\n<\/thead>\n \n\nReference<\/td>\n 253-4339<\/td>\n<\/tr>\n \nKind<\/td>\n HEUI Pump<\/td>\n<\/tr>\n \nCompatibility<\/td>\n Caterpillar C7<\/td>\n<\/tr>\n \nFunction<\/td>\n Hydraulic supply to injectors<\/td>\n<\/tr>\n \nFacility<\/td>\n OEM<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/h2>","protected":false},"featured_media":20375,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[924],"product_cat":[664],"product_tag":[],"class_list":["post-20374","product","type-product","status-publish","has-post-thumbnail","product_brand-cat","product_cat-systeme-dinjection","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/product\/20374","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/comments?post=20374"}],"version-history":[{"count":1,"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/product\/20374\/revisions"}],"predecessor-version":[{"id":20376,"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/product\/20374\/revisions\/20376"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/media\/20375"}],"wp:attachment":[{"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/media?parent=20374"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/product_brand?post=20374"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/product_cat?post=20374"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/kasparts.com\/en\/wp-json\/wp\/v2\/product_tag?post=20374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n\n\n
| Advantage<\/th>\n | Profit<\/th>\n<\/tr>\n<\/thead>\n | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stable pressure<\/td>\n | Efficient combustion<\/td>\n<\/tr>\n | ||||||||||||||||||||||||
| OEM Quality<\/td>\n | Maximum reliability<\/td>\n<\/tr>\n | ||||||||||||||||||||||||
| Simple installation<\/td>\n | Reduction of downtime<\/td>\n<\/tr>\n | ||||||||||||||||||||||||
| Optimized yield<\/td>\n | Fuel economy<\/td>\n<\/tr>\n | ||||||||||||||||||||||||
| High durability<\/td>\n | Reduced maintenance<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\nTechnical Specifications<\/h2>\n\n
|