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Every rebuild is handled in-house by a bilingual crew with over a century of combined transmission experience, backed by a 1-year unlimited-mile warranty.
Real services, no filler.
In-house rebuilds for manual and automatic transmissions, with no work outsourced.
Diagnosis and repair of transfer cases for four-wheel and all-wheel drive vehicles.
Hard-to-find components located and special-ordered when items aren't on the shelf.
Parts shipped daily via LTL and UPS to shops and vehicle owners across the country.
No-obligation quotes before any work begins.
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A-1 Transmission & Parts has been a family-owned fixture in Denver since 1991, built on a simple approach: keep the rebuild work in-house and back it with a real warranty. The bilingual team supports everyone from individual car owners to repair shops and businesses, with free local pickup and delivery around Metro Denver and shipping available nationwide.
Call or stop by the Yuma Street shop for a no-obligation quote on your transmission.